taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
E43BBB1DFFFFFFF02617795C7449F4D8.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536307/files/figure.png	http://doi.org/10.5281/zenodo.5536307	Fig. 3. Sibogasyrinx pyramidalis (Schepman, 1913) complex. A–G. Sibogasyrinx cf. pyramidalis 1. A–C. South China Sea, MNHN-IM-2013-44605, SL 65.2 mm. D–F. Philippines, MNHN- IM-2009-13451, SL 46.8 mm. G. South China Sea, MNHN-IM-2013-44574, SL 53.9 mm. H–I. Surcula pyramidalis Schepman, 1913, holotype, ZMA.MOLL.136836, SL 45 mm (photos by K. Hasegawa, copyright Naturalis, Leiden). J–Q. Sibogasyrinx cf. pyramidalis 2, Papua New Guinea. J–L. MNHN- IM-2013-19745, SL 65.2 mm.M–O. MNHN-IM-2009-17000, SL 59.2 mm. P. MNHN-IM-2009-16973, SL 41 mm. Q. MNHN-IM-2009-16988, SL 43 mm. R–T. Sibogasyrinx archibenthalis (Powell, 1969), holotype, USNM 238773, SL 41.8 mm. All shells to same scale.	Fig. 3. Sibogasyrinx pyramidalis (Schepman, 1913) complex. A–G. Sibogasyrinx cf. pyramidalis 1. A–C. South China Sea, MNHN-IM-2013-44605, SL 65.2 mm. D–F. Philippines, MNHN- IM-2009-13451, SL 46.8 mm. G. South China Sea, MNHN-IM-2013-44574, SL 53.9 mm. H–I. Surcula pyramidalis Schepman, 1913, holotype, ZMA.MOLL.136836, SL 45 mm (photos by K. Hasegawa, copyright Naturalis, Leiden). J–Q. Sibogasyrinx cf. pyramidalis 2, Papua New Guinea. J–L. MNHN- IM-2013-19745, SL 65.2 mm.M–O. MNHN-IM-2009-17000, SL 59.2 mm. P. MNHN-IM-2009-16973, SL 41 mm. Q. MNHN-IM-2009-16988, SL 43 mm. R–T. Sibogasyrinx archibenthalis (Powell, 1969), holotype, USNM 238773, SL 41.8 mm. All shells to same scale.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFFFFFF02617795C7449F4D8.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536309/files/figure.png	http://doi.org/10.5281/zenodo.5536309	Fig. 4. Radulae of species of Sibogasyrinx Powell, 1969. A–B. S. cf. pyramidalis (Schepman, 1913) 1, MNHN-IM-2009-13451 (shell seen on Fig. 3D–F). A. Part of radula with marginal teeth not fully formed; white arrows indicate teeth that are not fully folded longitudinally (ae = anterior tooth edge; pe = posterior tooth edge). B. Part of radula with fully formed marginal teeth. C. S. cf. pyramidalis 2, MNHN-IM-2009-16972. D. S. cf. pyramidalis 2, MNHN-IM-2009-17000 (shell seen on Fig. 3M–O). E. S. subula sp. nov., MNHN-IM-2007-17703. F. S. subula sp. nov., MNHN-IM-2009-13568 (shell seen on Fig. 6H–I).	Fig. 4. Radulae of species of Sibogasyrinx Powell, 1969. A–B. S. cf. pyramidalis (Schepman, 1913) 1, MNHN-IM-2009-13451 (shell seen on Fig. 3D–F). A. Part of radula with marginal teeth not fully formed; white arrows indicate teeth that are not fully folded longitudinally (ae = anterior tooth edge; pe = posterior tooth edge). B. Part of radula with fully formed marginal teeth. C. S. cf. pyramidalis 2, MNHN-IM-2009-16972. D. S. cf. pyramidalis 2, MNHN-IM-2009-17000 (shell seen on Fig. 3M–O). E. S. subula sp. nov., MNHN-IM-2007-17703. F. S. subula sp. nov., MNHN-IM-2009-13568 (shell seen on Fig. 6H–I).	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFFFFFF625B27E1D75CBF704.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536307/files/figure.png	http://doi.org/10.5281/zenodo.5536307	Fig. 3. Sibogasyrinx pyramidalis (Schepman, 1913) complex. A–G. Sibogasyrinx cf. pyramidalis 1. A–C. South China Sea, MNHN-IM-2013-44605, SL 65.2 mm. D–F. Philippines, MNHN- IM-2009-13451, SL 46.8 mm. G. South China Sea, MNHN-IM-2013-44574, SL 53.9 mm. H–I. Surcula pyramidalis Schepman, 1913, holotype, ZMA.MOLL.136836, SL 45 mm (photos by K. Hasegawa, copyright Naturalis, Leiden). J–Q. Sibogasyrinx cf. pyramidalis 2, Papua New Guinea. J–L. MNHN- IM-2013-19745, SL 65.2 mm.M–O. MNHN-IM-2009-17000, SL 59.2 mm. P. MNHN-IM-2009-16973, SL 41 mm. Q. MNHN-IM-2009-16988, SL 43 mm. R–T. Sibogasyrinx archibenthalis (Powell, 1969), holotype, USNM 238773, SL 41.8 mm. All shells to same scale.	Fig. 3. Sibogasyrinx pyramidalis (Schepman, 1913) complex. A–G. Sibogasyrinx cf. pyramidalis 1. A–C. South China Sea, MNHN-IM-2013-44605, SL 65.2 mm. D–F. Philippines, MNHN- IM-2009-13451, SL 46.8 mm. G. South China Sea, MNHN-IM-2013-44574, SL 53.9 mm. H–I. Surcula pyramidalis Schepman, 1913, holotype, ZMA.MOLL.136836, SL 45 mm (photos by K. Hasegawa, copyright Naturalis, Leiden). J–Q. Sibogasyrinx cf. pyramidalis 2, Papua New Guinea. J–L. MNHN- IM-2013-19745, SL 65.2 mm.M–O. MNHN-IM-2009-17000, SL 59.2 mm. P. MNHN-IM-2009-16973, SL 41 mm. Q. MNHN-IM-2009-16988, SL 43 mm. R–T. Sibogasyrinx archibenthalis (Powell, 1969), holotype, USNM 238773, SL 41.8 mm. All shells to same scale.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFFFFFF625B27E1D75CBF704.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536309/files/figure.png	http://doi.org/10.5281/zenodo.5536309	Fig. 4. Radulae of species of Sibogasyrinx Powell, 1969. A–B. S. cf. pyramidalis (Schepman, 1913) 1, MNHN-IM-2009-13451 (shell seen on Fig. 3D–F). A. Part of radula with marginal teeth not fully formed; white arrows indicate teeth that are not fully folded longitudinally (ae = anterior tooth edge; pe = posterior tooth edge). B. Part of radula with fully formed marginal teeth. C. S. cf. pyramidalis 2, MNHN-IM-2009-16972. D. S. cf. pyramidalis 2, MNHN-IM-2009-17000 (shell seen on Fig. 3M–O). E. S. subula sp. nov., MNHN-IM-2007-17703. F. S. subula sp. nov., MNHN-IM-2009-13568 (shell seen on Fig. 6H–I).	Fig. 4. Radulae of species of Sibogasyrinx Powell, 1969. A–B. S. cf. pyramidalis (Schepman, 1913) 1, MNHN-IM-2009-13451 (shell seen on Fig. 3D–F). A. Part of radula with marginal teeth not fully formed; white arrows indicate teeth that are not fully folded longitudinally (ae = anterior tooth edge; pe = posterior tooth edge). B. Part of radula with fully formed marginal teeth. C. S. cf. pyramidalis 2, MNHN-IM-2009-16972. D. S. cf. pyramidalis 2, MNHN-IM-2009-17000 (shell seen on Fig. 3M–O). E. S. subula sp. nov., MNHN-IM-2007-17703. F. S. subula sp. nov., MNHN-IM-2009-13568 (shell seen on Fig. 6H–I).	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFF9FFEB25B27E4672A5F318.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536307/files/figure.png	http://doi.org/10.5281/zenodo.5536307	Fig. 3. Sibogasyrinx pyramidalis (Schepman, 1913) complex. A–G. Sibogasyrinx cf. pyramidalis 1. A–C. South China Sea, MNHN-IM-2013-44605, SL 65.2 mm. D–F. Philippines, MNHN- IM-2009-13451, SL 46.8 mm. G. South China Sea, MNHN-IM-2013-44574, SL 53.9 mm. H–I. Surcula pyramidalis Schepman, 1913, holotype, ZMA.MOLL.136836, SL 45 mm (photos by K. Hasegawa, copyright Naturalis, Leiden). J–Q. Sibogasyrinx cf. pyramidalis 2, Papua New Guinea. J–L. MNHN- IM-2013-19745, SL 65.2 mm.M–O. MNHN-IM-2009-17000, SL 59.2 mm. P. MNHN-IM-2009-16973, SL 41 mm. Q. MNHN-IM-2009-16988, SL 43 mm. R–T. Sibogasyrinx archibenthalis (Powell, 1969), holotype, USNM 238773, SL 41.8 mm. All shells to same scale.	Fig. 3. Sibogasyrinx pyramidalis (Schepman, 1913) complex. A–G. Sibogasyrinx cf. pyramidalis 1. A–C. South China Sea, MNHN-IM-2013-44605, SL 65.2 mm. D–F. Philippines, MNHN- IM-2009-13451, SL 46.8 mm. G. South China Sea, MNHN-IM-2013-44574, SL 53.9 mm. H–I. Surcula pyramidalis Schepman, 1913, holotype, ZMA.MOLL.136836, SL 45 mm (photos by K. Hasegawa, copyright Naturalis, Leiden). J–Q. Sibogasyrinx cf. pyramidalis 2, Papua New Guinea. J–L. MNHN- IM-2013-19745, SL 65.2 mm.M–O. MNHN-IM-2009-17000, SL 59.2 mm. P. MNHN-IM-2009-16973, SL 41 mm. Q. MNHN-IM-2009-16988, SL 43 mm. R–T. Sibogasyrinx archibenthalis (Powell, 1969), holotype, USNM 238773, SL 41.8 mm. All shells to same scale.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFF9FFEB25B27E4672A5F318.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536309/files/figure.png	http://doi.org/10.5281/zenodo.5536309	Fig. 4. Radulae of species of Sibogasyrinx Powell, 1969. A–B. S. cf. pyramidalis (Schepman, 1913) 1, MNHN-IM-2009-13451 (shell seen on Fig. 3D–F). A. Part of radula with marginal teeth not fully formed; white arrows indicate teeth that are not fully folded longitudinally (ae = anterior tooth edge; pe = posterior tooth edge). B. Part of radula with fully formed marginal teeth. C. S. cf. pyramidalis 2, MNHN-IM-2009-16972. D. S. cf. pyramidalis 2, MNHN-IM-2009-17000 (shell seen on Fig. 3M–O). E. S. subula sp. nov., MNHN-IM-2007-17703. F. S. subula sp. nov., MNHN-IM-2009-13568 (shell seen on Fig. 6H–I).	Fig. 4. Radulae of species of Sibogasyrinx Powell, 1969. A–B. S. cf. pyramidalis (Schepman, 1913) 1, MNHN-IM-2009-13451 (shell seen on Fig. 3D–F). A. Part of radula with marginal teeth not fully formed; white arrows indicate teeth that are not fully folded longitudinally (ae = anterior tooth edge; pe = posterior tooth edge). B. Part of radula with fully formed marginal teeth. C. S. cf. pyramidalis 2, MNHN-IM-2009-16972. D. S. cf. pyramidalis 2, MNHN-IM-2009-17000 (shell seen on Fig. 3M–O). E. S. subula sp. nov., MNHN-IM-2007-17703. F. S. subula sp. nov., MNHN-IM-2009-13568 (shell seen on Fig. 6H–I).	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFF9FFEB25B27E4672A5F318.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536315/files/figure.png	http://doi.org/10.5281/zenodo.5536315	Fig. 5. Anterior foregut of Sibogasyrinx cf. pyramidalis (Schepman, 1913) 2, MNHN-IM-2009-16972. A. Right latero-dorsal view. B. Dorsal view of the nerve ring and opening of the venom gland. Abbreviations: mb = muscular bulb of the venom gland; nr = circumoesophageal nerve ring; od = odontophore; oe = oesophagus; pr = proboscis; prr = proboscis retractors; rs = radular sac; sd = salivary duct; sg = salivary gland; vg = venom gland.	Fig. 5. Anterior foregut of Sibogasyrinx cf. pyramidalis (Schepman, 1913) 2, MNHN-IM-2009-16972. A. Right latero-dorsal view. B. Dorsal view of the nerve ring and opening of the venom gland. Abbreviations: mb = muscular bulb of the venom gland; nr = circumoesophageal nerve ring; od = odontophore; oe = oesophagus; pr = proboscis; prr = proboscis retractors; rs = radular sac; sd = salivary duct; sg = salivary gland; vg = venom gland.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFE4FFEB26137A4A75F1F7FF.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536307/files/figure.png	http://doi.org/10.5281/zenodo.5536307	Fig. 3. Sibogasyrinx pyramidalis (Schepman, 1913) complex. A–G. Sibogasyrinx cf. pyramidalis 1. A–C. South China Sea, MNHN-IM-2013-44605, SL 65.2 mm. D–F. Philippines, MNHN- IM-2009-13451, SL 46.8 mm. G. South China Sea, MNHN-IM-2013-44574, SL 53.9 mm. H–I. Surcula pyramidalis Schepman, 1913, holotype, ZMA.MOLL.136836, SL 45 mm (photos by K. Hasegawa, copyright Naturalis, Leiden). J–Q. Sibogasyrinx cf. pyramidalis 2, Papua New Guinea. J–L. MNHN- IM-2013-19745, SL 65.2 mm.M–O. MNHN-IM-2009-17000, SL 59.2 mm. P. MNHN-IM-2009-16973, SL 41 mm. Q. MNHN-IM-2009-16988, SL 43 mm. R–T. Sibogasyrinx archibenthalis (Powell, 1969), holotype, USNM 238773, SL 41.8 mm. All shells to same scale.	Fig. 3. Sibogasyrinx pyramidalis (Schepman, 1913) complex. A–G. Sibogasyrinx cf. pyramidalis 1. A–C. South China Sea, MNHN-IM-2013-44605, SL 65.2 mm. D–F. Philippines, MNHN- IM-2009-13451, SL 46.8 mm. G. South China Sea, MNHN-IM-2013-44574, SL 53.9 mm. H–I. Surcula pyramidalis Schepman, 1913, holotype, ZMA.MOLL.136836, SL 45 mm (photos by K. Hasegawa, copyright Naturalis, Leiden). J–Q. Sibogasyrinx cf. pyramidalis 2, Papua New Guinea. J–L. MNHN- IM-2013-19745, SL 65.2 mm.M–O. MNHN-IM-2009-17000, SL 59.2 mm. P. MNHN-IM-2009-16973, SL 41 mm. Q. MNHN-IM-2009-16988, SL 43 mm. R–T. Sibogasyrinx archibenthalis (Powell, 1969), holotype, USNM 238773, SL 41.8 mm. All shells to same scale.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFE4FFE826287F2373DFF4CA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536309/files/figure.png	http://doi.org/10.5281/zenodo.5536309	Fig. 4. Radulae of species of Sibogasyrinx Powell, 1969. A–B. S. cf. pyramidalis (Schepman, 1913) 1, MNHN-IM-2009-13451 (shell seen on Fig. 3D–F). A. Part of radula with marginal teeth not fully formed; white arrows indicate teeth that are not fully folded longitudinally (ae = anterior tooth edge; pe = posterior tooth edge). B. Part of radula with fully formed marginal teeth. C. S. cf. pyramidalis 2, MNHN-IM-2009-16972. D. S. cf. pyramidalis 2, MNHN-IM-2009-17000 (shell seen on Fig. 3M–O). E. S. subula sp. nov., MNHN-IM-2007-17703. F. S. subula sp. nov., MNHN-IM-2009-13568 (shell seen on Fig. 6H–I).	Fig. 4. Radulae of species of Sibogasyrinx Powell, 1969. A–B. S. cf. pyramidalis (Schepman, 1913) 1, MNHN-IM-2009-13451 (shell seen on Fig. 3D–F). A. Part of radula with marginal teeth not fully formed; white arrows indicate teeth that are not fully folded longitudinally (ae = anterior tooth edge; pe = posterior tooth edge). B. Part of radula with fully formed marginal teeth. C. S. cf. pyramidalis 2, MNHN-IM-2009-16972. D. S. cf. pyramidalis 2, MNHN-IM-2009-17000 (shell seen on Fig. 3M–O). E. S. subula sp. nov., MNHN-IM-2007-17703. F. S. subula sp. nov., MNHN-IM-2009-13568 (shell seen on Fig. 6H–I).	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFE4FFE826287F2373DFF4CA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536317/files/figure.png	http://doi.org/10.5281/zenodo.5536317	Fig. 6. Sibogasyrinx subula sp. nov. A–C. Solomon Islands, holotype, MNHN-IM-2007-42530, SL 55 mm. D–F. Solomon Islands, MNHN-IM-2007-42533, SL 53.6 mm. G. Papua New Guinea, MNHN- IM-2013-58409, SL 36.3 mm. H–I. Solomon Islands, MNHN-IM-2009-13568, SL 49.4 mm (radula seen on Fig. 4F). J–L. Vanuatu, MNHN-IM-2007-17704, SL 53 mm. M. Vanuatu, MNHN-IM-2007-17701, SL 46.0 mm. N. Solomon Islands, MNHN-IM-2009-13567, SL 57.4 mm. All shells to same scale.	Fig. 6. Sibogasyrinx subula sp. nov. A–C. Solomon Islands, holotype, MNHN-IM-2007-42530, SL 55 mm. D–F. Solomon Islands, MNHN-IM-2007-42533, SL 53.6 mm. G. Papua New Guinea, MNHN- IM-2013-58409, SL 36.3 mm. H–I. Solomon Islands, MNHN-IM-2009-13568, SL 49.4 mm (radula seen on Fig. 4F). J–L. Vanuatu, MNHN-IM-2007-17704, SL 53 mm. M. Vanuatu, MNHN-IM-2007-17701, SL 46.0 mm. N. Solomon Islands, MNHN-IM-2009-13567, SL 57.4 mm. All shells to same scale.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFE4FFE826287F2373DFF4CA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536331/files/figure.png	http://doi.org/10.5281/zenodo.5536331	Fig. 13. Shells of species of Leucosyrinx Dall, 1889. A–B. Leucosyrinx verrillii (Dall, 1881), French Guiana, MNHN-IM-2013-56840, SL 25.1 mm. C. L. verrillii, French Guiana, MNHN-IM-2013-56288, SL 31.9 mm (radula seen on Fig. 11C). D–E. Leucosyrinx sp. G. D. Papua New Guinea, MNHN- IM-2009-17089, SL 32.2 mm (radula seen on Fig. 11E). E. Bismarck Sea, MNHN-IM-2013-19689, SL 47.3 mm.F. Leucosyrinx sp. D, Solomon Islands, MNHN-IM-2009-16769, SL 25 mm.G. Leucosyrinx sp. E, Madagascar, MNHN-IM-2009-16897, SL 46.1 mm. H. Leucosyrinx sp. A, Philippines, MNHN- IM-2007-42445, SL 34.1 mm. I. Leucosyrinx sp. B, Solomon Islands, MNHN IM-2009-16764, SL 29.9 mm. J. Leucosyrinx sp. C, Solomon Islands, MNHN-IM-2007-42503, SL 41.2 mm (radula seen on Fig. 11F). K. Leucosyrinx sp. F, Coral Sea, Chesterfield Plateau, MNHN-IM-2007-17846, SL 27.3 mm (radula seen on Fig. 11D). All shells to same scale.	Fig. 13. Shells of species of Leucosyrinx Dall, 1889. A–B. Leucosyrinx verrillii (Dall, 1881), French Guiana, MNHN-IM-2013-56840, SL 25.1 mm. C. L. verrillii, French Guiana, MNHN-IM-2013-56288, SL 31.9 mm (radula seen on Fig. 11C). D–E. Leucosyrinx sp. G. D. Papua New Guinea, MNHN- IM-2009-17089, SL 32.2 mm (radula seen on Fig. 11E). E. Bismarck Sea, MNHN-IM-2013-19689, SL 47.3 mm.F. Leucosyrinx sp. D, Solomon Islands, MNHN-IM-2009-16769, SL 25 mm.G. Leucosyrinx sp. E, Madagascar, MNHN-IM-2009-16897, SL 46.1 mm. H. Leucosyrinx sp. A, Philippines, MNHN- IM-2007-42445, SL 34.1 mm. I. Leucosyrinx sp. B, Solomon Islands, MNHN IM-2009-16764, SL 29.9 mm. J. Leucosyrinx sp. C, Solomon Islands, MNHN-IM-2007-42503, SL 41.2 mm (radula seen on Fig. 11F). K. Leucosyrinx sp. F, Coral Sea, Chesterfield Plateau, MNHN-IM-2007-17846, SL 27.3 mm (radula seen on Fig. 11D). All shells to same scale.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFE4FFE826287F2373DFF4CA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536303/files/figure.png	http://doi.org/10.5281/zenodo.5536303	Fig. 1. Bayesian phylogenetic tree obtained with the cox1 dataset. Posterior probabilities (> 0.95) and bootstraps (>90) are shown for each node. The boxes in front of the lineages of Sibogasyrinx Powell, 1969 represent the ABGD PSHs, numbered from 1 to 10. Alternative PSH partitions obtained in the second and third-best ASAP partitions are shown with dashed lines. The colors refer to the locality; * = illustrated shells.	Fig. 1. Bayesian phylogenetic tree obtained with the cox1 dataset. Posterior probabilities (> 0.95) and bootstraps (>90) are shown for each node. The boxes in front of the lineages of Sibogasyrinx Powell, 1969 represent the ABGD PSHs, numbered from 1 to 10. Alternative PSH partitions obtained in the second and third-best ASAP partitions are shown with dashed lines. The colors refer to the locality; * = illustrated shells.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFE7FFEE25847E347255F0EB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536319/files/figure.png	http://doi.org/10.5281/zenodo.5536319	Fig. 7. Sibogasyrinx sangeri Kantor, Fedosov & Puillandre, 2018. A–B. Holotype, Papua New Guinea, MNHN-IM-2009-17022, SL 54.1 mm. C. Papua New Guinea, MNHN-IM-2009-16995, SL 47.7 mm (radula seen on Fig. 8A–B). D–E. Solomon Islands, MNHN-IM-2009-16779, SL 55.8 mm. F. Papua New Guinea, MNHN-IM-2009-17021, SL 53.7 mm.G–H. Papua New Guinea, MNHN-IM-2009-17057, SL 38.8 mm. I–J. Philippines, MNHN-IM-2009-13434, SL 36.9 mm. K. Solomon Islands, MNHN- IM-2009-16766, SL 26.3 mm. All shells to the same scale.	Fig. 7. Sibogasyrinx sangeri Kantor, Fedosov & Puillandre, 2018. A–B. Holotype, Papua New Guinea, MNHN-IM-2009-17022, SL 54.1 mm. C. Papua New Guinea, MNHN-IM-2009-16995, SL 47.7 mm (radula seen on Fig. 8A–B). D–E. Solomon Islands, MNHN-IM-2009-16779, SL 55.8 mm. F. Papua New Guinea, MNHN-IM-2009-17021, SL 53.7 mm.G–H. Papua New Guinea, MNHN-IM-2009-17057, SL 38.8 mm. I–J. Philippines, MNHN-IM-2009-13434, SL 36.9 mm. K. Solomon Islands, MNHN- IM-2009-16766, SL 26.3 mm. All shells to the same scale.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFE7FFEE25847E347255F0EB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536321/files/figure.png	http://doi.org/10.5281/zenodo.5536321	Fig. 8. Radulae of species of Sibogasyrinx Powell, 1969. A–B. Sibogasyrinx sangeri Kantor, Fedosov & Puillandre, 2018, MNHN-IM-2009-16995 (shell seen on Fig. 7C). A. Part of radula with fully formed marginal teeth; white hollow arrow indicates overlapping edges of the tooth at its tip. B. Part of radula showing transition between unfolded (white arrow) and completely longitudinally folded (black arrow) marginal teeth (ae = anterior tooth edge; pe = posterior tooth edge). C. Sibogasyrinx filosa Ardovini, 2021, Solomon Islands, MNHN-IM-2009-16831 (shell seen Fig. 9E–F). D. Sibogasyrinx lolae sp. nov., MNHN-IM-2009-29311. E. Sibogasyrinx maximei sp. nov., holotype, MNHN-IM-2013-45883, anterior end of radula. F. Sibogasyrinx pagodiformis sp. nov., MNHN-IM-2009-11327.	Fig. 8. Radulae of species of Sibogasyrinx Powell, 1969. A–B. Sibogasyrinx sangeri Kantor, Fedosov & Puillandre, 2018, MNHN-IM-2009-16995 (shell seen on Fig. 7C). A. Part of radula with fully formed marginal teeth; white hollow arrow indicates overlapping edges of the tooth at its tip. B. Part of radula showing transition between unfolded (white arrow) and completely longitudinally folded (black arrow) marginal teeth (ae = anterior tooth edge; pe = posterior tooth edge). C. Sibogasyrinx filosa Ardovini, 2021, Solomon Islands, MNHN-IM-2009-16831 (shell seen Fig. 9E–F). D. Sibogasyrinx lolae sp. nov., MNHN-IM-2009-29311. E. Sibogasyrinx maximei sp. nov., holotype, MNHN-IM-2013-45883, anterior end of radula. F. Sibogasyrinx pagodiformis sp. nov., MNHN-IM-2009-11327.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFE2FFE3260C791E7046F746.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536321/files/figure.png	http://doi.org/10.5281/zenodo.5536321	Fig. 8. Radulae of species of Sibogasyrinx Powell, 1969. A–B. Sibogasyrinx sangeri Kantor, Fedosov & Puillandre, 2018, MNHN-IM-2009-16995 (shell seen on Fig. 7C). A. Part of radula with fully formed marginal teeth; white hollow arrow indicates overlapping edges of the tooth at its tip. B. Part of radula showing transition between unfolded (white arrow) and completely longitudinally folded (black arrow) marginal teeth (ae = anterior tooth edge; pe = posterior tooth edge). C. Sibogasyrinx filosa Ardovini, 2021, Solomon Islands, MNHN-IM-2009-16831 (shell seen Fig. 9E–F). D. Sibogasyrinx lolae sp. nov., MNHN-IM-2009-29311. E. Sibogasyrinx maximei sp. nov., holotype, MNHN-IM-2013-45883, anterior end of radula. F. Sibogasyrinx pagodiformis sp. nov., MNHN-IM-2009-11327.	Fig. 8. Radulae of species of Sibogasyrinx Powell, 1969. A–B. Sibogasyrinx sangeri Kantor, Fedosov & Puillandre, 2018, MNHN-IM-2009-16995 (shell seen on Fig. 7C). A. Part of radula with fully formed marginal teeth; white hollow arrow indicates overlapping edges of the tooth at its tip. B. Part of radula showing transition between unfolded (white arrow) and completely longitudinally folded (black arrow) marginal teeth (ae = anterior tooth edge; pe = posterior tooth edge). C. Sibogasyrinx filosa Ardovini, 2021, Solomon Islands, MNHN-IM-2009-16831 (shell seen Fig. 9E–F). D. Sibogasyrinx lolae sp. nov., MNHN-IM-2009-29311. E. Sibogasyrinx maximei sp. nov., holotype, MNHN-IM-2013-45883, anterior end of radula. F. Sibogasyrinx pagodiformis sp. nov., MNHN-IM-2009-11327.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFE2FFE3260C791E7046F746.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536323/files/figure.png	http://doi.org/10.5281/zenodo.5536323	Fig. 9. A–H. Sibogasyrinx filosa Ardovini, 2021. A–B. Holotype, Solomon Islands (MNHN- IM-2000-37629), SL 52 mm. C–D. Solomon Islands, MNHN-IM-2007-42498, SL 49.9 mm. E–F. Solomon Islands, MNHN-IM-2009-16831, SL 34.4 mm (radula seen on Fig. 8C). G–H. Papua New Guinea, MNHN-IM-2013-59044, SL 29.9 mm. I–Q. Sibogasyrinx lolae sp. nov. I–J. Solomon Islands, holotype, MNHN-IM-42537, SL 37.3 mm. K–L. New Caledonia, MNHN-IM-2009-29230, SL 43.1 mm. M–N. New Caledonia, MNHN-IM-2009-29311, SL 29.1 mm. O–Q. New Caledonia, MNHN-IM-2013-48156, SL 17.1 mm (O at the same scale as the other specimens, P–Q enlarged). All shells (except P–Q) to same scale.	Fig. 9. A–H. Sibogasyrinx filosa Ardovini, 2021. A–B. Holotype, Solomon Islands (MNHN- IM-2000-37629), SL 52 mm. C–D. Solomon Islands, MNHN-IM-2007-42498, SL 49.9 mm. E–F. Solomon Islands, MNHN-IM-2009-16831, SL 34.4 mm (radula seen on Fig. 8C). G–H. Papua New Guinea, MNHN-IM-2013-59044, SL 29.9 mm. I–Q. Sibogasyrinx lolae sp. nov. I–J. Solomon Islands, holotype, MNHN-IM-42537, SL 37.3 mm. K–L. New Caledonia, MNHN-IM-2009-29230, SL 43.1 mm. M–N. New Caledonia, MNHN-IM-2009-29311, SL 29.1 mm. O–Q. New Caledonia, MNHN-IM-2013-48156, SL 17.1 mm (O at the same scale as the other specimens, P–Q enlarged). All shells (except P–Q) to same scale.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFE2FFE3260C791E7046F746.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536331/files/figure.png	http://doi.org/10.5281/zenodo.5536331	Fig. 13. Shells of species of Leucosyrinx Dall, 1889. A–B. Leucosyrinx verrillii (Dall, 1881), French Guiana, MNHN-IM-2013-56840, SL 25.1 mm. C. L. verrillii, French Guiana, MNHN-IM-2013-56288, SL 31.9 mm (radula seen on Fig. 11C). D–E. Leucosyrinx sp. G. D. Papua New Guinea, MNHN- IM-2009-17089, SL 32.2 mm (radula seen on Fig. 11E). E. Bismarck Sea, MNHN-IM-2013-19689, SL 47.3 mm.F. Leucosyrinx sp. D, Solomon Islands, MNHN-IM-2009-16769, SL 25 mm.G. Leucosyrinx sp. E, Madagascar, MNHN-IM-2009-16897, SL 46.1 mm. H. Leucosyrinx sp. A, Philippines, MNHN- IM-2007-42445, SL 34.1 mm. I. Leucosyrinx sp. B, Solomon Islands, MNHN IM-2009-16764, SL 29.9 mm. J. Leucosyrinx sp. C, Solomon Islands, MNHN-IM-2007-42503, SL 41.2 mm (radula seen on Fig. 11F). K. Leucosyrinx sp. F, Coral Sea, Chesterfield Plateau, MNHN-IM-2007-17846, SL 27.3 mm (radula seen on Fig. 11D). All shells to same scale.	Fig. 13. Shells of species of Leucosyrinx Dall, 1889. A–B. Leucosyrinx verrillii (Dall, 1881), French Guiana, MNHN-IM-2013-56840, SL 25.1 mm. C. L. verrillii, French Guiana, MNHN-IM-2013-56288, SL 31.9 mm (radula seen on Fig. 11C). D–E. Leucosyrinx sp. G. D. Papua New Guinea, MNHN- IM-2009-17089, SL 32.2 mm (radula seen on Fig. 11E). E. Bismarck Sea, MNHN-IM-2013-19689, SL 47.3 mm.F. Leucosyrinx sp. D, Solomon Islands, MNHN-IM-2009-16769, SL 25 mm.G. Leucosyrinx sp. E, Madagascar, MNHN-IM-2009-16897, SL 46.1 mm. H. Leucosyrinx sp. A, Philippines, MNHN- IM-2007-42445, SL 34.1 mm. I. Leucosyrinx sp. B, Solomon Islands, MNHN IM-2009-16764, SL 29.9 mm. J. Leucosyrinx sp. C, Solomon Islands, MNHN-IM-2007-42503, SL 41.2 mm (radula seen on Fig. 11F). K. Leucosyrinx sp. F, Coral Sea, Chesterfield Plateau, MNHN-IM-2007-17846, SL 27.3 mm (radula seen on Fig. 11D). All shells to same scale.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFECFFE0263C7E987079F418.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536321/files/figure.png	http://doi.org/10.5281/zenodo.5536321	Fig. 8. Radulae of species of Sibogasyrinx Powell, 1969. A–B. Sibogasyrinx sangeri Kantor, Fedosov & Puillandre, 2018, MNHN-IM-2009-16995 (shell seen on Fig. 7C). A. Part of radula with fully formed marginal teeth; white hollow arrow indicates overlapping edges of the tooth at its tip. B. Part of radula showing transition between unfolded (white arrow) and completely longitudinally folded (black arrow) marginal teeth (ae = anterior tooth edge; pe = posterior tooth edge). C. Sibogasyrinx filosa Ardovini, 2021, Solomon Islands, MNHN-IM-2009-16831 (shell seen Fig. 9E–F). D. Sibogasyrinx lolae sp. nov., MNHN-IM-2009-29311. E. Sibogasyrinx maximei sp. nov., holotype, MNHN-IM-2013-45883, anterior end of radula. F. Sibogasyrinx pagodiformis sp. nov., MNHN-IM-2009-11327.	Fig. 8. Radulae of species of Sibogasyrinx Powell, 1969. A–B. Sibogasyrinx sangeri Kantor, Fedosov & Puillandre, 2018, MNHN-IM-2009-16995 (shell seen on Fig. 7C). A. Part of radula with fully formed marginal teeth; white hollow arrow indicates overlapping edges of the tooth at its tip. B. Part of radula showing transition between unfolded (white arrow) and completely longitudinally folded (black arrow) marginal teeth (ae = anterior tooth edge; pe = posterior tooth edge). C. Sibogasyrinx filosa Ardovini, 2021, Solomon Islands, MNHN-IM-2009-16831 (shell seen Fig. 9E–F). D. Sibogasyrinx lolae sp. nov., MNHN-IM-2009-29311. E. Sibogasyrinx maximei sp. nov., holotype, MNHN-IM-2013-45883, anterior end of radula. F. Sibogasyrinx pagodiformis sp. nov., MNHN-IM-2009-11327.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFECFFE0263C7E987079F418.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536323/files/figure.png	http://doi.org/10.5281/zenodo.5536323	Fig. 9. A–H. Sibogasyrinx filosa Ardovini, 2021. A–B. Holotype, Solomon Islands (MNHN- IM-2000-37629), SL 52 mm. C–D. Solomon Islands, MNHN-IM-2007-42498, SL 49.9 mm. E–F. Solomon Islands, MNHN-IM-2009-16831, SL 34.4 mm (radula seen on Fig. 8C). G–H. Papua New Guinea, MNHN-IM-2013-59044, SL 29.9 mm. I–Q. Sibogasyrinx lolae sp. nov. I–J. Solomon Islands, holotype, MNHN-IM-42537, SL 37.3 mm. K–L. New Caledonia, MNHN-IM-2009-29230, SL 43.1 mm. M–N. New Caledonia, MNHN-IM-2009-29311, SL 29.1 mm. O–Q. New Caledonia, MNHN-IM-2013-48156, SL 17.1 mm (O at the same scale as the other specimens, P–Q enlarged). All shells (except P–Q) to same scale.	Fig. 9. A–H. Sibogasyrinx filosa Ardovini, 2021. A–B. Holotype, Solomon Islands (MNHN- IM-2000-37629), SL 52 mm. C–D. Solomon Islands, MNHN-IM-2007-42498, SL 49.9 mm. E–F. Solomon Islands, MNHN-IM-2009-16831, SL 34.4 mm (radula seen on Fig. 8C). G–H. Papua New Guinea, MNHN-IM-2013-59044, SL 29.9 mm. I–Q. Sibogasyrinx lolae sp. nov. I–J. Solomon Islands, holotype, MNHN-IM-42537, SL 37.3 mm. K–L. New Caledonia, MNHN-IM-2009-29230, SL 43.1 mm. M–N. New Caledonia, MNHN-IM-2009-29311, SL 29.1 mm. O–Q. New Caledonia, MNHN-IM-2013-48156, SL 17.1 mm (O at the same scale as the other specimens, P–Q enlarged). All shells (except P–Q) to same scale.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFEFFFE626257D427348F7BC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536321/files/figure.png	http://doi.org/10.5281/zenodo.5536321	Fig. 8. Radulae of species of Sibogasyrinx Powell, 1969. A–B. Sibogasyrinx sangeri Kantor, Fedosov & Puillandre, 2018, MNHN-IM-2009-16995 (shell seen on Fig. 7C). A. Part of radula with fully formed marginal teeth; white hollow arrow indicates overlapping edges of the tooth at its tip. B. Part of radula showing transition between unfolded (white arrow) and completely longitudinally folded (black arrow) marginal teeth (ae = anterior tooth edge; pe = posterior tooth edge). C. Sibogasyrinx filosa Ardovini, 2021, Solomon Islands, MNHN-IM-2009-16831 (shell seen Fig. 9E–F). D. Sibogasyrinx lolae sp. nov., MNHN-IM-2009-29311. E. Sibogasyrinx maximei sp. nov., holotype, MNHN-IM-2013-45883, anterior end of radula. F. Sibogasyrinx pagodiformis sp. nov., MNHN-IM-2009-11327.	Fig. 8. Radulae of species of Sibogasyrinx Powell, 1969. A–B. Sibogasyrinx sangeri Kantor, Fedosov & Puillandre, 2018, MNHN-IM-2009-16995 (shell seen on Fig. 7C). A. Part of radula with fully formed marginal teeth; white hollow arrow indicates overlapping edges of the tooth at its tip. B. Part of radula showing transition between unfolded (white arrow) and completely longitudinally folded (black arrow) marginal teeth (ae = anterior tooth edge; pe = posterior tooth edge). C. Sibogasyrinx filosa Ardovini, 2021, Solomon Islands, MNHN-IM-2009-16831 (shell seen Fig. 9E–F). D. Sibogasyrinx lolae sp. nov., MNHN-IM-2009-29311. E. Sibogasyrinx maximei sp. nov., holotype, MNHN-IM-2013-45883, anterior end of radula. F. Sibogasyrinx pagodiformis sp. nov., MNHN-IM-2009-11327.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFEFFFE626257D427348F7BC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536325/files/figure.png	http://doi.org/10.5281/zenodo.5536325	Fig. 10. A–C. Sibogasyrinx maximei sp. nov., Solomon Sea, holotype, MNHN-IM-2013-45883, SL 41.6 mm. D–M. Sibogasyrinx clausura sp. nov. D–F. Solomon Islands, holotype, MNHN- IM-2013-48256, SL 41.4 mm. G–H. Coral Sea, Coriolis Bank, MNHN-IM-2013-48167, SL 37.9 mm. I–J. Solomon Islands, MNHN-IM-2009-16763, SL 29.6 mm. K–L. Coral Sea, Coriolis Bank, MNHN- IM-2013-48244, SL 35.6 mm. M. Coral Sea, Coriolis Bank, MNHN-IM-2013-48144, SL 31.7 mm. All shells to same scale.	Fig. 10. A–C. Sibogasyrinx maximei sp. nov., Solomon Sea, holotype, MNHN-IM-2013-45883, SL 41.6 mm. D–M. Sibogasyrinx clausura sp. nov. D–F. Solomon Islands, holotype, MNHN- IM-2013-48256, SL 41.4 mm. G–H. Coral Sea, Coriolis Bank, MNHN-IM-2013-48167, SL 37.9 mm. I–J. Solomon Islands, MNHN-IM-2009-16763, SL 29.6 mm. K–L. Coral Sea, Coriolis Bank, MNHN- IM-2013-48244, SL 35.6 mm. M. Coral Sea, Coriolis Bank, MNHN-IM-2013-48144, SL 31.7 mm. All shells to same scale.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFE9FFDB261D7EFE7469F74A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536325/files/figure.png	http://doi.org/10.5281/zenodo.5536325	Fig. 10. A–C. Sibogasyrinx maximei sp. nov., Solomon Sea, holotype, MNHN-IM-2013-45883, SL 41.6 mm. D–M. Sibogasyrinx clausura sp. nov. D–F. Solomon Islands, holotype, MNHN- IM-2013-48256, SL 41.4 mm. G–H. Coral Sea, Coriolis Bank, MNHN-IM-2013-48167, SL 37.9 mm. I–J. Solomon Islands, MNHN-IM-2009-16763, SL 29.6 mm. K–L. Coral Sea, Coriolis Bank, MNHN- IM-2013-48244, SL 35.6 mm. M. Coral Sea, Coriolis Bank, MNHN-IM-2013-48144, SL 31.7 mm. All shells to same scale.	Fig. 10. A–C. Sibogasyrinx maximei sp. nov., Solomon Sea, holotype, MNHN-IM-2013-45883, SL 41.6 mm. D–M. Sibogasyrinx clausura sp. nov. D–F. Solomon Islands, holotype, MNHN- IM-2013-48256, SL 41.4 mm. G–H. Coral Sea, Coriolis Bank, MNHN-IM-2013-48167, SL 37.9 mm. I–J. Solomon Islands, MNHN-IM-2009-16763, SL 29.6 mm. K–L. Coral Sea, Coriolis Bank, MNHN- IM-2013-48244, SL 35.6 mm. M. Coral Sea, Coriolis Bank, MNHN-IM-2013-48144, SL 31.7 mm. All shells to same scale.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFE9FFDB261D7EFE7469F74A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536327/files/figure.png	http://doi.org/10.5281/zenodo.5536327	Fig. 11. Radulae of species ofSibogasyrinx Powell, 1969 andLeucosyrinx Dall, 1889.A–B. Sibogasyrinx clausura sp. nov., MNHN-IM-2009-16763. A. Central part of radula with fully formed teeth. B. Anteriormost part of radula at bending plane; marginal teeth at the right (black arrows) are unfolded due to mechanical impact.C. Leucosyrinx verrillii(Dall, 1881), French Guiana, MNHN-IM-2013-56288 (shell seen on Fig. 13C). D. Leucosyrinx sp. F, Coral Sea, MNHN-IM-2007-17846 (shell seen on Fig. 13K). E. Leucosyrinx sp. G, Papua New Guinea, MNHN-IM-2009-17089 (shell seen on Fig. 13D). F. Leucosyrinx sp. C, Solomon Islands, MNHN-IM-2007-42503 (shell seen on Fig. 13J).	Fig. 11. Radulae of species ofSibogasyrinx Powell, 1969 andLeucosyrinx Dall, 1889.A–B. Sibogasyrinx clausura sp. nov., MNHN-IM-2009-16763. A. Central part of radula with fully formed teeth. B. Anteriormost part of radula at bending plane; marginal teeth at the right (black arrows) are unfolded due to mechanical impact.C. Leucosyrinx verrillii(Dall, 1881), French Guiana, MNHN-IM-2013-56288 (shell seen on Fig. 13C). D. Leucosyrinx sp. F, Coral Sea, MNHN-IM-2007-17846 (shell seen on Fig. 13K). E. Leucosyrinx sp. G, Papua New Guinea, MNHN-IM-2009-17089 (shell seen on Fig. 13D). F. Leucosyrinx sp. C, Solomon Islands, MNHN-IM-2007-42503 (shell seen on Fig. 13J).	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFD4FFD826017EB47558F337.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536321/files/figure.png	http://doi.org/10.5281/zenodo.5536321	Fig. 8. Radulae of species of Sibogasyrinx Powell, 1969. A–B. Sibogasyrinx sangeri Kantor, Fedosov & Puillandre, 2018, MNHN-IM-2009-16995 (shell seen on Fig. 7C). A. Part of radula with fully formed marginal teeth; white hollow arrow indicates overlapping edges of the tooth at its tip. B. Part of radula showing transition between unfolded (white arrow) and completely longitudinally folded (black arrow) marginal teeth (ae = anterior tooth edge; pe = posterior tooth edge). C. Sibogasyrinx filosa Ardovini, 2021, Solomon Islands, MNHN-IM-2009-16831 (shell seen Fig. 9E–F). D. Sibogasyrinx lolae sp. nov., MNHN-IM-2009-29311. E. Sibogasyrinx maximei sp. nov., holotype, MNHN-IM-2013-45883, anterior end of radula. F. Sibogasyrinx pagodiformis sp. nov., MNHN-IM-2009-11327.	Fig. 8. Radulae of species of Sibogasyrinx Powell, 1969. A–B. Sibogasyrinx sangeri Kantor, Fedosov & Puillandre, 2018, MNHN-IM-2009-16995 (shell seen on Fig. 7C). A. Part of radula with fully formed marginal teeth; white hollow arrow indicates overlapping edges of the tooth at its tip. B. Part of radula showing transition between unfolded (white arrow) and completely longitudinally folded (black arrow) marginal teeth (ae = anterior tooth edge; pe = posterior tooth edge). C. Sibogasyrinx filosa Ardovini, 2021, Solomon Islands, MNHN-IM-2009-16831 (shell seen Fig. 9E–F). D. Sibogasyrinx lolae sp. nov., MNHN-IM-2009-29311. E. Sibogasyrinx maximei sp. nov., holotype, MNHN-IM-2013-45883, anterior end of radula. F. Sibogasyrinx pagodiformis sp. nov., MNHN-IM-2009-11327.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFD4FFD826017EB47558F337.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536329/files/figure.png	http://doi.org/10.5281/zenodo.5536329	Fig. 12. A–D. Sibogasyrinx pagodiformis sp. nov. A–B. Solomon Islands, holotype, MNHN- IM-2009-16825, SL 28.8 mm. C–D. Vanuatu. MNHN-IM-2009-11327, SL 24.3 mm. E–H. Sibogasyrinx elbakyanae Kantor, Puillandre & Bouchet sp. nov., holotype, Solomon Islands, MNHN-IM-2009-16834, SL 27.3 mm. H. Enlarged fragment of penultimate and antepenultimate whorls. A–G to same scale.	Fig. 12. A–D. Sibogasyrinx pagodiformis sp. nov. A–B. Solomon Islands, holotype, MNHN- IM-2009-16825, SL 28.8 mm. C–D. Vanuatu. MNHN-IM-2009-11327, SL 24.3 mm. E–H. Sibogasyrinx elbakyanae Kantor, Puillandre & Bouchet sp. nov., holotype, Solomon Islands, MNHN-IM-2009-16834, SL 27.3 mm. H. Enlarged fragment of penultimate and antepenultimate whorls. A–G to same scale.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFD4FFD826017EB47558F337.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536331/files/figure.png	http://doi.org/10.5281/zenodo.5536331	Fig. 13. Shells of species of Leucosyrinx Dall, 1889. A–B. Leucosyrinx verrillii (Dall, 1881), French Guiana, MNHN-IM-2013-56840, SL 25.1 mm. C. L. verrillii, French Guiana, MNHN-IM-2013-56288, SL 31.9 mm (radula seen on Fig. 11C). D–E. Leucosyrinx sp. G. D. Papua New Guinea, MNHN- IM-2009-17089, SL 32.2 mm (radula seen on Fig. 11E). E. Bismarck Sea, MNHN-IM-2013-19689, SL 47.3 mm.F. Leucosyrinx sp. D, Solomon Islands, MNHN-IM-2009-16769, SL 25 mm.G. Leucosyrinx sp. E, Madagascar, MNHN-IM-2009-16897, SL 46.1 mm. H. Leucosyrinx sp. A, Philippines, MNHN- IM-2007-42445, SL 34.1 mm. I. Leucosyrinx sp. B, Solomon Islands, MNHN IM-2009-16764, SL 29.9 mm. J. Leucosyrinx sp. C, Solomon Islands, MNHN-IM-2007-42503, SL 41.2 mm (radula seen on Fig. 11F). K. Leucosyrinx sp. F, Coral Sea, Chesterfield Plateau, MNHN-IM-2007-17846, SL 27.3 mm (radula seen on Fig. 11D). All shells to same scale.	Fig. 13. Shells of species of Leucosyrinx Dall, 1889. A–B. Leucosyrinx verrillii (Dall, 1881), French Guiana, MNHN-IM-2013-56840, SL 25.1 mm. C. L. verrillii, French Guiana, MNHN-IM-2013-56288, SL 31.9 mm (radula seen on Fig. 11C). D–E. Leucosyrinx sp. G. D. Papua New Guinea, MNHN- IM-2009-17089, SL 32.2 mm (radula seen on Fig. 11E). E. Bismarck Sea, MNHN-IM-2013-19689, SL 47.3 mm.F. Leucosyrinx sp. D, Solomon Islands, MNHN-IM-2009-16769, SL 25 mm.G. Leucosyrinx sp. E, Madagascar, MNHN-IM-2009-16897, SL 46.1 mm. H. Leucosyrinx sp. A, Philippines, MNHN- IM-2007-42445, SL 34.1 mm. I. Leucosyrinx sp. B, Solomon Islands, MNHN IM-2009-16764, SL 29.9 mm. J. Leucosyrinx sp. C, Solomon Islands, MNHN-IM-2007-42503, SL 41.2 mm (radula seen on Fig. 11F). K. Leucosyrinx sp. F, Coral Sea, Chesterfield Plateau, MNHN-IM-2007-17846, SL 27.3 mm (radula seen on Fig. 11D). All shells to same scale.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFD7FFDF25597A4B7348F558.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536329/files/figure.png	http://doi.org/10.5281/zenodo.5536329	Fig. 12. A–D. Sibogasyrinx pagodiformis sp. nov. A–B. Solomon Islands, holotype, MNHN- IM-2009-16825, SL 28.8 mm. C–D. Vanuatu. MNHN-IM-2009-11327, SL 24.3 mm. E–H. Sibogasyrinx elbakyanae Kantor, Puillandre & Bouchet sp. nov., holotype, Solomon Islands, MNHN-IM-2009-16834, SL 27.3 mm. H. Enlarged fragment of penultimate and antepenultimate whorls. A–G to same scale.	Fig. 12. A–D. Sibogasyrinx pagodiformis sp. nov. A–B. Solomon Islands, holotype, MNHN- IM-2009-16825, SL 28.8 mm. C–D. Vanuatu. MNHN-IM-2009-11327, SL 24.3 mm. E–H. Sibogasyrinx elbakyanae Kantor, Puillandre & Bouchet sp. nov., holotype, Solomon Islands, MNHN-IM-2009-16834, SL 27.3 mm. H. Enlarged fragment of penultimate and antepenultimate whorls. A–G to same scale.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
E43BBB1DFFD7FFDF25597A4B7348F558.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5536331/files/figure.png	http://doi.org/10.5281/zenodo.5536331	Fig. 13. Shells of species of Leucosyrinx Dall, 1889. A–B. Leucosyrinx verrillii (Dall, 1881), French Guiana, MNHN-IM-2013-56840, SL 25.1 mm. C. L. verrillii, French Guiana, MNHN-IM-2013-56288, SL 31.9 mm (radula seen on Fig. 11C). D–E. Leucosyrinx sp. G. D. Papua New Guinea, MNHN- IM-2009-17089, SL 32.2 mm (radula seen on Fig. 11E). E. Bismarck Sea, MNHN-IM-2013-19689, SL 47.3 mm.F. Leucosyrinx sp. D, Solomon Islands, MNHN-IM-2009-16769, SL 25 mm.G. Leucosyrinx sp. E, Madagascar, MNHN-IM-2009-16897, SL 46.1 mm. H. Leucosyrinx sp. A, Philippines, MNHN- IM-2007-42445, SL 34.1 mm. I. Leucosyrinx sp. B, Solomon Islands, MNHN IM-2009-16764, SL 29.9 mm. J. Leucosyrinx sp. C, Solomon Islands, MNHN-IM-2007-42503, SL 41.2 mm (radula seen on Fig. 11F). K. Leucosyrinx sp. F, Coral Sea, Chesterfield Plateau, MNHN-IM-2007-17846, SL 27.3 mm (radula seen on Fig. 11D). All shells to same scale.	Fig. 13. Shells of species of Leucosyrinx Dall, 1889. A–B. Leucosyrinx verrillii (Dall, 1881), French Guiana, MNHN-IM-2013-56840, SL 25.1 mm. C. L. verrillii, French Guiana, MNHN-IM-2013-56288, SL 31.9 mm (radula seen on Fig. 11C). D–E. Leucosyrinx sp. G. D. Papua New Guinea, MNHN- IM-2009-17089, SL 32.2 mm (radula seen on Fig. 11E). E. Bismarck Sea, MNHN-IM-2013-19689, SL 47.3 mm.F. Leucosyrinx sp. D, Solomon Islands, MNHN-IM-2009-16769, SL 25 mm.G. Leucosyrinx sp. E, Madagascar, MNHN-IM-2009-16897, SL 46.1 mm. H. Leucosyrinx sp. A, Philippines, MNHN- IM-2007-42445, SL 34.1 mm. I. Leucosyrinx sp. B, Solomon Islands, MNHN IM-2009-16764, SL 29.9 mm. J. Leucosyrinx sp. C, Solomon Islands, MNHN-IM-2007-42503, SL 41.2 mm (radula seen on Fig. 11F). K. Leucosyrinx sp. F, Coral Sea, Chesterfield Plateau, MNHN-IM-2007-17846, SL 27.3 mm (radula seen on Fig. 11D). All shells to same scale.	2021-09-28	Kantor, Yuri I.;Puillandre, Nicolas		Zenodo	biologists	Kantor, Yuri I.;Puillandre, Nicolas			
