taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
03B36D59585EFFBCCBD66F30E8520968.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/7381142/files/figure.png	https://doi.org/10.5281/zenodo.7381142	Figure 1. Skulls of Sobrarbesiren cardieli in lateral view. A, paratype skull MPZ 2017/2. B, interpretative sketch of the paratype skull. C, holotype skull MPZ 2017/1. D, skull MPZ 2020/591. Sutures are marked with continuous lines. Dashed lines indicate incomplete bones, and dashed areas denote broken surfaces. For abbreviations, see the Material and Methods section.	Figure 1. Skulls of Sobrarbesiren cardieli in lateral view. A, paratype skull MPZ 2017/2. B, interpretative sketch of the paratype skull. C, holotype skull MPZ 2017/1. D, skull MPZ 2020/591. Sutures are marked with continuous lines. Dashed lines indicate incomplete bones, and dashed areas denote broken surfaces. For abbreviations, see the Material and Methods section.	2022-12-01	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio		Zenodo	biologists	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio			
03B36D59585EFFBCCBD66F30E8520968.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/7381144/files/figure.png	https://doi.org/10.5281/zenodo.7381144	Figure 2. Skulls of Sobrarbesiren cardieli in ventral view. A, paratype skull MPZ 2017/2. B, interpretative sketch of the paratype skull. C, holotype skull MPZ 2017/1. D, skull MPZ 2020/591. Sutures are marked with continuous lines. Dashed lines indicate incomplete bones, and dashed areas denote broken surfaces. For abbreviations, see the Material and Methods section.	Figure 2. Skulls of Sobrarbesiren cardieli in ventral view. A, paratype skull MPZ 2017/2. B, interpretative sketch of the paratype skull. C, holotype skull MPZ 2017/1. D, skull MPZ 2020/591. Sutures are marked with continuous lines. Dashed lines indicate incomplete bones, and dashed areas denote broken surfaces. For abbreviations, see the Material and Methods section.	2022-12-01	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio		Zenodo	biologists	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio			
03B36D59585EFFBCCBD66F30E8520968.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/7381146/files/figure.png	https://doi.org/10.5281/zenodo.7381146	Figure 3. Isolated right nasal process of the premaxilla of Sobrarbesiren cardieli (MPZ 2017/3) in dorsal (A) and medial (B) views. For abbreviations, see the Material and Methods section.	Figure 3. Isolated right nasal process of the premaxilla of Sobrarbesiren cardieli (MPZ 2017/3) in dorsal (A) and medial (B) views. For abbreviations, see the Material and Methods section.	2022-12-01	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio		Zenodo	biologists	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio			
03B36D59585EFFBCCBD66F30E8520968.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/7381148/files/figure.png	https://doi.org/10.5281/zenodo.7381148	Figure 4. Skulls of Sobrarbesiren cardieli in dorsal view. A, paratype skull MPZ 2017/2. B, interpretative sketch of the paratype skull. C, holotype skull MPZ 2017/1. D, skull MPZ 2020/591. Sutures are marked with continuous lines. Dashed lines indicate incomplete bones, and dashed areas denote broken surfaces. For abbreviations, see the Material and Methods section.	Figure 4. Skulls of Sobrarbesiren cardieli in dorsal view. A, paratype skull MPZ 2017/2. B, interpretative sketch of the paratype skull. C, holotype skull MPZ 2017/1. D, skull MPZ 2020/591. Sutures are marked with continuous lines. Dashed lines indicate incomplete bones, and dashed areas denote broken surfaces. For abbreviations, see the Material and Methods section.	2022-12-01	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio		Zenodo	biologists	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio			
03B36D59585EFFBCCBD66F30E8520968.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/7381150/files/figure.png	https://doi.org/10.5281/zenodo.7381150	Figure 5. Frontal bones assigned to immature individuals of Sobrarbesiren cardieli. A–F, MPZ 2020/593, left frontal in dorsal (A), ventral (B) and lateral (C) views, and interpretative sketches (D–F, respectively). G–I, MPZ 2020/592, left frontal in dorsal (G), ventral (H) and lateral (I) views. J–L, MPZ 2020/594, left frontal in dorsal (J), ventral (K) and lateral (L) views. Dashed lines indicate incomplete parts. For abbreviations, see the Material and Methods section.	Figure 5. Frontal bones assigned to immature individuals of Sobrarbesiren cardieli. A–F, MPZ 2020/593, left frontal in dorsal (A), ventral (B) and lateral (C) views, and interpretative sketches (D–F, respectively). G–I, MPZ 2020/592, left frontal in dorsal (G), ventral (H) and lateral (I) views. J–L, MPZ 2020/594, left frontal in dorsal (J), ventral (K) and lateral (L) views. Dashed lines indicate incomplete parts. For abbreviations, see the Material and Methods section.	2022-12-01	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio		Zenodo	biologists	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio			
03B36D59585EFFBCCBD66F30E8520968.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/7381152/files/figure.png	https://doi.org/10.5281/zenodo.7381152	Figure 6. Endocranial structures of Sobrarbesiren cardieli. Skull roof of skull MPZ 2020/591 (A) and MPZ 2017/2 (B) in ventral view. C–F, MPZ 2020/598, parietal–supraoccipital skullcap of a juvenile individual in posterior (C) and ventral (E) views, and interpretative sketches (D, F, respectively). For abbreviations, see the Material and Methods section.	Figure 6. Endocranial structures of Sobrarbesiren cardieli. Skull roof of skull MPZ 2020/591 (A) and MPZ 2017/2 (B) in ventral view. C–F, MPZ 2020/598, parietal–supraoccipital skullcap of a juvenile individual in posterior (C) and ventral (E) views, and interpretative sketches (D, F, respectively). For abbreviations, see the Material and Methods section.	2022-12-01	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio		Zenodo	biologists	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio			
03B36D59585EFFBCCBD66F30E8520968.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/7381154/files/figure.png	https://doi.org/10.5281/zenodo.7381154	Figure 7. Skulls of Sobrarbesiren cardieli in posterior view. A, paratype skull MPZ 2017/2. B, interpretative sketch of the paratype skull. C, holotype skull MPZ 2017/1. Sutures are marked with continuous lines. Dashed lines indicate incomplete bones, and dashed areas denote broken surfaces. For abbreviations, see the Material and Methods section.	Figure 7. Skulls of Sobrarbesiren cardieli in posterior view. A, paratype skull MPZ 2017/2. B, interpretative sketch of the paratype skull. C, holotype skull MPZ 2017/1. Sutures are marked with continuous lines. Dashed lines indicate incomplete bones, and dashed areas denote broken surfaces. For abbreviations, see the Material and Methods section.	2022-12-01	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio		Zenodo	biologists	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio			
03B36D59585EFFBCCBD66F30E8520968.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/7381156/files/figure.png	https://doi.org/10.5281/zenodo.7381156	Figure 8. Isolated squamosals and jugal of Sobrarbesiren cardieli. A–E, MPZ 2020/603, right isolated squamosal; cranial portion in lateral view (A), interpretive sketch (B), and in posterior view (C); and zygomatic process in lateral (D) and ventral (E) views. F–K, MPZ 2020/604, right isolated juvenile squamosal in lateral (F), ventral (G) and medial (H) views, and interpretative sketches (I–K, respectively). L–O, MPZ 2020/606, left partial jugal in lateral (L) and medial (N) views, and interpretative sketches (M, O, respectively). Dashed lines indicate incomplete bones, and dashed areas denote broken surfaces. For abbreviations, see the Material and Methods section.	Figure 8. Isolated squamosals and jugal of Sobrarbesiren cardieli. A–E, MPZ 2020/603, right isolated squamosal; cranial portion in lateral view (A), interpretive sketch (B), and in posterior view (C); and zygomatic process in lateral (D) and ventral (E) views. F–K, MPZ 2020/604, right isolated juvenile squamosal in lateral (F), ventral (G) and medial (H) views, and interpretative sketches (I–K, respectively). L–O, MPZ 2020/606, left partial jugal in lateral (L) and medial (N) views, and interpretative sketches (M, O, respectively). Dashed lines indicate incomplete bones, and dashed areas denote broken surfaces. For abbreviations, see the Material and Methods section.	2022-12-01	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio		Zenodo	biologists	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio			
03B36D59585EFFBCCBD66F30E8520968.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/7381158/files/figure.png	https://doi.org/10.5281/zenodo.7381158	Figure 9. Bones of the ear region of Sobrarbesiren cardieli. A, right periotic of the paratype skull MPZ 2017/2 in ventral view. B, C, MPZ 2020/607, right pars temporalis (= tegmen tympani) in ventral (B) and dorsal (C) views. D, E, right tympanic of the holotype skull MPZ 2017/1 in lateral (D) and medial (E) views. Dashed areas denote broken surfaces. For abbreviations, see the Material and Methods section.	Figure 9. Bones of the ear region of Sobrarbesiren cardieli. A, right periotic of the paratype skull MPZ 2017/2 in ventral view. B, C, MPZ 2020/607, right pars temporalis (= tegmen tympani) in ventral (B) and dorsal (C) views. D, E, right tympanic of the holotype skull MPZ 2017/1 in lateral (D) and medial (E) views. Dashed areas denote broken surfaces. For abbreviations, see the Material and Methods section.	2022-12-01	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio		Zenodo	biologists	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio			
03B36D59585EFFBCCBD66F30E8520968.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/7381160/files/figure.png	https://doi.org/10.5281/zenodo.7381160	Figure 10. Schematic drawings of tympanic bones of various sirenian taxa. A, Sobrarbesiren cardieli, right tympanic of the holotype skull MPZ 2017/1. B, Prorastomus sirenoides, right tympanic BMNH 44897. C, Eotheroides lambondrano, left tympanic (from Samonds et al., 2009: fig. 6B). D, Metaxytherium albifontanum, right tympanic (from Vélez-Juarbe & Domning, 2014: fig. 8A). E, Trichechus senegalensis, right tympanic (from Robineau, 1969: fig. 11, not to scale). For abbreviations, see the Material and Methods section. Measurements: APL, Anteroposterior length; DVH, Dorsoventral height; ID, Internal diameter.	Figure 10. Schematic drawings of tympanic bones of various sirenian taxa. A, Sobrarbesiren cardieli, right tympanic of the holotype skull MPZ 2017/1. B, Prorastomus sirenoides, right tympanic BMNH 44897. C, Eotheroides lambondrano, left tympanic (from Samonds et al., 2009: fig. 6B). D, Metaxytherium albifontanum, right tympanic (from Vélez-Juarbe & Domning, 2014: fig. 8A). E, Trichechus senegalensis, right tympanic (from Robineau, 1969: fig. 11, not to scale). For abbreviations, see the Material and Methods section. Measurements: APL, Anteroposterior length; DVH, Dorsoventral height; ID, Internal diameter.	2022-12-01	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio		Zenodo	biologists	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio			
03B36D59585EFFBCCBD66F30E8520968.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/7381162/files/figure.png	https://doi.org/10.5281/zenodo.7381162	Figure 11. Mandibular fragment of Sobrarbesiren cardieli (MPZ 2020/608) in dorsal (A) and medial (B) views. For abbreviations, see the Material and Methods section.	Figure 11. Mandibular fragment of Sobrarbesiren cardieli (MPZ 2020/608) in dorsal (A) and medial (B) views. For abbreviations, see the Material and Methods section.	2022-12-01	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio		Zenodo	biologists	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio			
03B36D59585EFFBCCBD66F30E8520968.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/7381166/files/figure.png	https://doi.org/10.5281/zenodo.7381166	Figure 12. Isolated teeth of Sobrarbesiren cardieli. A, B,?I1 (MPZ 2017/4) in occlusal (A) and labial (B) views. C, D,?I3 (MPZ 2017/5) in occlusal (C) and lateral (D) views. E–G, P2 (MPZ 2020/610) in occlusal (E), labial (F) and lingual (G) views. H–J,?P3–4 (MPZ 2020/611) in occlusal (H), labial (I) and lingual (J) views. K–M, deciduous premolar (MPZ 2020/614) in occlusal (K), labial (L) and lingual (M) views.	Figure 12. Isolated teeth of Sobrarbesiren cardieli. A, B,?I1 (MPZ 2017/4) in occlusal (A) and labial (B) views. C, D,?I3 (MPZ 2017/5) in occlusal (C) and lateral (D) views. E–G, P2 (MPZ 2020/610) in occlusal (E), labial (F) and lingual (G) views. H–J,?P3–4 (MPZ 2020/611) in occlusal (H), labial (I) and lingual (J) views. K–M, deciduous premolar (MPZ 2020/614) in occlusal (K), labial (L) and lingual (M) views.	2022-12-01	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio		Zenodo	biologists	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio			
03B36D59585EFFBCCBD66F30E8520968.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/7381168/files/figure.png	https://doi.org/10.5281/zenodo.7381168	Figure 13. Endocranial surfaces of two sirenian skulls. A, Kaupitherium bronni (sketch based on Voss & Hampe, 2017: figs 4, 11). B, Protosiren fraasi (sketch based on Sickenberg, 1934: plate I, fig. 4). For abbreviations, see the Material and Methods section.	Figure 13. Endocranial surfaces of two sirenian skulls. A, Kaupitherium bronni (sketch based on Voss & Hampe, 2017: figs 4, 11). B, Protosiren fraasi (sketch based on Sickenberg, 1934: plate I, fig. 4). For abbreviations, see the Material and Methods section.	2022-12-01	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio		Zenodo	biologists	Díaz-Berenguer, Ester;Moreno-Azanza, Miguel;Badiola, Ainara;Canudo, José Ignacio			
