taxonID	type	description	language	source
B963EB623B175468B45182D336208E45.taxon	description	Figs 3, 4, 5, 6 Ko Samui Rock Gecko Thai common name: Jing Jok Niew Yaow Ko Samui (จ ิ ้ งจกน ิ ้ วยาวเกาะสม ุ ย)	en	Ampai, Natee, Rujirawan, Attapol, Yodthong, Siriporn, Termprayoon, Korkhwan, Stuart, Bryan L., Wood Jr, Perry L., Aowphol, Anchalee (2022): Hidden diversity of rock geckos within the Cnemaspis siamensis species group (Gekkonidae, Squamata): genetic and morphological data from southern Thailand reveal two new insular species and verify the phylogenetic affinities of C. chanardi and C. kamolnorranathi. ZooKeys 1125: 115-158, DOI: http://dx.doi.org/10.3897/zookeys.1125.94060, URL: http://dx.doi.org/10.3897/zookeys.1125.94060
B963EB623B175468B45182D336208E45.taxon	diagnosis	Diagnosis. Cnemaspis samui sp. nov. differs from all other members of the C. siamensis group by having the following combination of characters: (1) SVL 37.0 - 42.3 mm in adult males (mean 39.90 + / - 1.98 mm; N = 15) and 36.4 - 41.6 mm in adult females (mean 39.75 + / - 2.91 mm; N = 3); (2) eight or nine supralabial and infralabial scales; (3) ventral scales keeled (4) 5 - 8 pore-bearing precloacal scales in males, arranged in a chevron, separated, pore rounded in males; (5) 25 - 27 paravertebral tubercles, arranged randomly; (6) 4 - 6 small, subconical spine-like tubercles present on lower flanks; (7) 22 - 25 subdigital lamellae under 4 th toe; (8) enlarged median subcaudal scale row present; (9) ventrolateral caudal tubercles anteriorly present; (10) one or two postcloacal tubercles on lateral surface of hemipenial swellings at the base of tail in males; and (11) gular region, abdomen, limbs and subcaudal region yellowish only in males.	en	Ampai, Natee, Rujirawan, Attapol, Yodthong, Siriporn, Termprayoon, Korkhwan, Stuart, Bryan L., Wood Jr, Perry L., Aowphol, Anchalee (2022): Hidden diversity of rock geckos within the Cnemaspis siamensis species group (Gekkonidae, Squamata): genetic and morphological data from southern Thailand reveal two new insular species and verify the phylogenetic affinities of C. chanardi and C. kamolnorranathi. ZooKeys 1125: 115-158, DOI: http://dx.doi.org/10.3897/zookeys.1125.94060, URL: http://dx.doi.org/10.3897/zookeys.1125.94060
B963EB623B175468B45182D336208E45.taxon	description	Description of holotype. An adult male in good state of preservation; 42.3 mm SVL; head relatively moderate in size (HL / SVL 0.27), narrow (HW / SVL 0.16), flattened (HD / HL 0.39), depressed (HD / SVL 0.11), and head distinct from neck; snout moderate (ES / HL 0.43), in lateral profile slightly concave; loreal region slightly inflated, canthus rostralis not prominent, smoothly rounded; postnasal region constricted medially; scales of rostrum round, juxtaposed, keeled, larger than conical scales on occiput; weak, supraorbital ridges; gular and throat scales granular, keeled and round; shallow frontorostral sulcus; eye large (ED / HL 0.21) with round pupil; orbit with extra-brillar fringe scales slightly largest anteriorly; scales on interorbitals and supercilium slightly keeled; eye to ear distance greater than eyes diameter (EE / ED 1.33); ear opening vertical, oval, taller than wide (EL / HL 0.09); rostral slightly concave; rostral bordered posteriorly by supranasals and internasal; rostral in contact laterally with first supralabials; 9 R, L supralabials decreasing in size posteriorly; 8 R, L infralabials decreasing in size posteriorly; nostril small, oval, oriented dorsoposteriorly, surrounded posteriorly by small postnasal scales; mental scales enlarged, subtriangular, concave, extending to level of second infralabials, bordered posteriorly by three large postmentals. Body relatively slender, elongate (AG / SVL 0.42); small, keeled, dorsal scales equal in size throughout body intermixed with several large, keeled, scattered, conical tubercles; 26 paravertebral tubercles randomly arranged; four small, subconical spine-like tubercles on flanks; tubercles present on lower flanks; tubercles extend from occiput to tail; pectoral and abdominal scales keeled, round, flat, slightly larger than dorsal and not larger posteriorly; ventral scales of brachia smooth, raised and juxtaposed; eight separated pore-bearing precloacal scales, arranged in a chevron, with rounded pores; precloacal depression absent; femoral pores absent. Fore and hind limbs moderately elongate, slender; scales beneath forearm slightly raised, smooth and subimbricate; subtibial scales keeled; palmar scales smooth, flat and subimbricate; digits long, slender, distinctly inflected joint with strong, slightly recurved claws; subdigital lamellae unnotched; lamellae beneath first phalanges wide; lamellae beneath phalanx immediately following inflection granular; lamellae of distal phalanges wide; lamellae beneath inflection large; interdigital webbing absent; enlarged submetatarsal scales on 1 st toe present; total subdigital lamellae on fingers I-V: 18 - 21 - 22 - 24 - 23 (right manus), 18 - 21 - 22 - 24 - 23 (left manus); fingers increase in length from first to fourth with fifth nearly equal in length as fourth; relative length of fingers IV> V> III> II> I; total subdigital lamellae on toes I-V: 14 - 20 - 21 - 24 - 23 (right pes), 14 - (broken) - 21 - 24 - 23 (left pes); toes increase in length from first to fourth with fifth nearly equal in length as fourth; relative length of toes IV> V> III> II> I. Tail complete, entire cylindrical, relatively slender, swollen at the base; tail length (TL) 52.2 mm; tail length longer than snout-vent length (TL / SVL 1.23); subcaudal scales keeled, juxtaposed, larger than dorsal scales of the tail; shallow, middorsal furrow; deeper lateral caudal furrow present; enlarged, transverse caudal tubercles arranged in segmented whorls, encircling tail; enlarged median subcaudal scale row present; caudal tubercles present between upper and lower of lateral furrow; 1 R, L enlarged postcloacal tubercle at lateral surface of hemipenial swellings at the base of tail.	en	Ampai, Natee, Rujirawan, Attapol, Yodthong, Siriporn, Termprayoon, Korkhwan, Stuart, Bryan L., Wood Jr, Perry L., Aowphol, Anchalee (2022): Hidden diversity of rock geckos within the Cnemaspis siamensis species group (Gekkonidae, Squamata): genetic and morphological data from southern Thailand reveal two new insular species and verify the phylogenetic affinities of C. chanardi and C. kamolnorranathi. ZooKeys 1125: 115-158, DOI: http://dx.doi.org/10.3897/zookeys.1125.94060, URL: http://dx.doi.org/10.3897/zookeys.1125.94060
B963EB623B175468B45182D336208E45.taxon	description	Measurements of holotype (in mm; Table 5). SVL 42.3; TL (complete tail) 52.2; TW 4.4; FL 6.5; TBL 7.9; AG 17.9; HL 11.5; HW 6.9; HD 4.5; ED 2.5; EE 3.3; ES 5.0; EN 4.0; EL 1.0; IN 1.1; IO 3.3.	en	Ampai, Natee, Rujirawan, Attapol, Yodthong, Siriporn, Termprayoon, Korkhwan, Stuart, Bryan L., Wood Jr, Perry L., Aowphol, Anchalee (2022): Hidden diversity of rock geckos within the Cnemaspis siamensis species group (Gekkonidae, Squamata): genetic and morphological data from southern Thailand reveal two new insular species and verify the phylogenetic affinities of C. chanardi and C. kamolnorranathi. ZooKeys 1125: 115-158, DOI: http://dx.doi.org/10.3897/zookeys.1125.94060, URL: http://dx.doi.org/10.3897/zookeys.1125.94060
B963EB623B175468B45182D336208E45.taxon	distribution	Distribution. Cnemaspis samui sp. nov. is currently only known from the type locality at Hin Lad Waterfall (9 ° 31.151 ' N, 99 ° 57.598 ' E; 150 m a. s. l.; Fig. 7), Ang Thong Subdistrict, Ko Samui District, Surat Thani Province, Thailand, approximately 35 km off the mainland of Don Sak District, Surat Thani Province in the Gulf of Thailand.	en	Ampai, Natee, Rujirawan, Attapol, Yodthong, Siriporn, Termprayoon, Korkhwan, Stuart, Bryan L., Wood Jr, Perry L., Aowphol, Anchalee (2022): Hidden diversity of rock geckos within the Cnemaspis siamensis species group (Gekkonidae, Squamata): genetic and morphological data from southern Thailand reveal two new insular species and verify the phylogenetic affinities of C. chanardi and C. kamolnorranathi. ZooKeys 1125: 115-158, DOI: http://dx.doi.org/10.3897/zookeys.1125.94060, URL: http://dx.doi.org/10.3897/zookeys.1125.94060
B963EB623B175468B45182D336208E45.taxon	etymology	Etymology. The specific epithet samui is a noun in apposition and refers to the type locality of Ko Samui.	en	Ampai, Natee, Rujirawan, Attapol, Yodthong, Siriporn, Termprayoon, Korkhwan, Stuart, Bryan L., Wood Jr, Perry L., Aowphol, Anchalee (2022): Hidden diversity of rock geckos within the Cnemaspis siamensis species group (Gekkonidae, Squamata): genetic and morphological data from southern Thailand reveal two new insular species and verify the phylogenetic affinities of C. chanardi and C. kamolnorranathi. ZooKeys 1125: 115-158, DOI: http://dx.doi.org/10.3897/zookeys.1125.94060, URL: http://dx.doi.org/10.3897/zookeys.1125.94060
FDCA055516B352E592A773D90ADA47E3.taxon	description	Figs 8, 9, 10, 11 Ko Similan Rock Gecko Thai common name: Jing Jok Niew Yaow Ko Similan (จ ิ ้ งจกน ิ ้ วยาวเกาะส ิ ม ิ ล ั น)	en	Ampai, Natee, Rujirawan, Attapol, Yodthong, Siriporn, Termprayoon, Korkhwan, Stuart, Bryan L., Wood Jr, Perry L., Aowphol, Anchalee (2022): Hidden diversity of rock geckos within the Cnemaspis siamensis species group (Gekkonidae, Squamata): genetic and morphological data from southern Thailand reveal two new insular species and verify the phylogenetic affinities of C. chanardi and C. kamolnorranathi. ZooKeys 1125: 115-158, DOI: http://dx.doi.org/10.3897/zookeys.1125.94060, URL: http://dx.doi.org/10.3897/zookeys.1125.94060
FDCA055516B352E592A773D90ADA47E3.taxon	diagnosis	Diagnosis. Cnemaspis similan sp. nov. can be distinguished from all other members of the C. siamensis group by having the following combination of characters: (1) SVL of 47.6 mm in adult male and 38.6 - 48.1 mm (mean 43.6 + / - 4.8 mm, N = 3) in adult females; (2) eight or nine supralabial and seven or eight infralabial scales; (3) ventral scales keeled (4) one pore-bearing precloacal scale, pore rounded in male; (5) 24 or 25 paravertebral tubercles, arranged randomly; (6) five small, elongated, spine-like tubercles on lower flanks; (7) 23 or 24 subdigital lamellae under the 4 th toe; (8) no enlarged median subcaudal scale row; (9) ventrolateral caudal tubercles anteriorly present; (10) two postcloacal tubercles on lateral surface of hemipenial swellings at tail base in male; (11) sexual dimorphism in dorsal and ventral patterns; and (12) pale yellow reticulum on head, neck, flanks, belly and limbs only in male.	en	Ampai, Natee, Rujirawan, Attapol, Yodthong, Siriporn, Termprayoon, Korkhwan, Stuart, Bryan L., Wood Jr, Perry L., Aowphol, Anchalee (2022): Hidden diversity of rock geckos within the Cnemaspis siamensis species group (Gekkonidae, Squamata): genetic and morphological data from southern Thailand reveal two new insular species and verify the phylogenetic affinities of C. chanardi and C. kamolnorranathi. ZooKeys 1125: 115-158, DOI: http://dx.doi.org/10.3897/zookeys.1125.94060, URL: http://dx.doi.org/10.3897/zookeys.1125.94060
FDCA055516B352E592A773D90ADA47E3.taxon	description	Description of holotype. An adult male in good state of preservation; 47.6 mm SVL; head moderate in size (HL / SVL 0.26), narrow (HW / SVL 0.16), flattened (HD / HL 0.39) and head distinct from neck; snout moderate (ES / HL 0.43), in lateral profile concave; loreal region marginally inflated, canthus rostralis nearly absent; postnasal region concave medially; scales of rostrum smooth, raised, larger than conical scales on occiput; weak and faint supraorbital ridges; gular scales granular, keeled, rounded, juxtaposed; throat scales granular, keeled, flat, subimbricate; shallow frontonasal sulcus; eye large (ED / HL 0.19); pupil round; extra-brillar fringe scales small in general but slightly larger anteriorly; scales on interorbitals and supercilium keeled; eye to ear distance greater than eyes diameter (EE / ED 1.50); ear opening elongate, much taller than wide (EL / HL 0.08); rostral concave dorsally; rostral bordered posteriorly by supranasals and laterally by first supralabials; 8 R, L supralabials decreasing in size posteriorly; 7 R, L infralabials decreasing in size posteriorly; nostril small, elliptical, oriented dorsoposteriorly, bordered posteriorly by small postnasal scales; mental scales large, triangular, flat, extending to level of second infralabial scales, bordered posteriorly by three large postmental scales. Body robust, not elongate (AG / SVL 0.41); small, raised, keeled, dorsal scales equal in size throughout body intermixed with numerous large, keeled, multicarinate tubercles; 24 paravertebral tubercles randomly arranged; five small, elongated, spine-like tubercles on flanks; tubercles present on lower flanks; tubercles extend from occiput to tail; pectoral and abdominal scales keeled, round, flat, imbricate; abdominal scales larger than pectoral and dorsal scales; ventral scales of brachia smooth, raised and juxtaposed; one pore-bearing precloacal scale, with rounded pore; precloacal depression absent; femoral pores absent. Fore and hind limbs moderately long, slender; scales beneath forearm slightly raised, smooth and subimbricate; subtibial scales keeled; palmar scales keeled, flat and subimbricate; digits long, slender with inflected joint; claws slightly recurved; subdigital lamellae unnotched; lamellae beneath first phalanges wide; lamellae beneath phalanx immediately following inflection granular; lamellae of distal phalanges wide; lamellae beneath inflection large; interdigital webbing generally absent; enlarged submetatarsal scales on 1 st toe present; total subdigital lamellae on fingers I-V: 15 - 21 - 22 - 24 - 23 (right manus), 15 - 21 - 23 - 24 - 23 (left manus); fingers increase in length from first to fourth with fifth nearly equal in length as fourth; relative length of fingers IV> V> III> II> I; total subdigital lamellae on toes I-V: 17 - 20 - 22 - 24 - 23 (right pes), 17 - 19 - 22 - 24 - 23 (left pes); toes increase in length from first to fourth with fifth nearly equal in length as fourth; relative length of toes IV> V> III> II> I. Tail regenerated, subcylindrical, relatively swollen at the base; tail length (TL) 49.6 mm; tail length longer than head and body (TL / SVL 1.04); dorsal and ventral scales at the tail base similar in size on mid-body dorsum; subcaudal scales keeled, juxtaposed, larger than dorsal scale of the tail size; shallow, middorsal furrow; lateral caudal furrow present; enlarged, transverse caudal tubercles arranged in segmented whorls, encircling tail; enlarged median subcaudal scale row absent; caudal tubercles present between upper and lower of lateral furrow; rest of the tail regenerated, slightly keeled, imbricate scales with no enlarged tubercles; scales on ventral aspect of the regenerated tail marginally larger in size than mid-body ventrals; 2 R, L enlarge postcloacal tubercle at lateral surface of hemipenial swellings at the tail base.	en	Ampai, Natee, Rujirawan, Attapol, Yodthong, Siriporn, Termprayoon, Korkhwan, Stuart, Bryan L., Wood Jr, Perry L., Aowphol, Anchalee (2022): Hidden diversity of rock geckos within the Cnemaspis siamensis species group (Gekkonidae, Squamata): genetic and morphological data from southern Thailand reveal two new insular species and verify the phylogenetic affinities of C. chanardi and C. kamolnorranathi. ZooKeys 1125: 115-158, DOI: http://dx.doi.org/10.3897/zookeys.1125.94060, URL: http://dx.doi.org/10.3897/zookeys.1125.94060
FDCA055516B352E592A773D90ADA47E3.taxon	description	Measurements of holotype (in mm; Table 7). SVL 47.6; TL (regenerated tail) 49.6; TW 4.6; FL 6.8; TBL 8.6; AG 19.6; HL 12.4; HW 7.8; HD 4.8; ED 2.4; EE 3.6; ES 5.3; EN 4.0; EL 1.0; IN 1.1; IO 3.1.	en	Ampai, Natee, Rujirawan, Attapol, Yodthong, Siriporn, Termprayoon, Korkhwan, Stuart, Bryan L., Wood Jr, Perry L., Aowphol, Anchalee (2022): Hidden diversity of rock geckos within the Cnemaspis siamensis species group (Gekkonidae, Squamata): genetic and morphological data from southern Thailand reveal two new insular species and verify the phylogenetic affinities of C. chanardi and C. kamolnorranathi. ZooKeys 1125: 115-158, DOI: http://dx.doi.org/10.3897/zookeys.1125.94060, URL: http://dx.doi.org/10.3897/zookeys.1125.94060
FDCA055516B352E592A773D90ADA47E3.taxon	distribution	Distribution. Cnemaspis similan sp. nov. is known only from the type locality at Ao Nguang Chang Bay (8 ° 64.840 ' N, 97 ° 64.834 ' E; 13 m a. s. l.; Fig. 12), Ko Similan, Lam Kaen Subdistrict, Thai Mueang District, Phang-nga Province, Thailand, approximately 65 km off the mainland of Thai Mueang District, Phang-nga Province in the Andaman Sea.	en	Ampai, Natee, Rujirawan, Attapol, Yodthong, Siriporn, Termprayoon, Korkhwan, Stuart, Bryan L., Wood Jr, Perry L., Aowphol, Anchalee (2022): Hidden diversity of rock geckos within the Cnemaspis siamensis species group (Gekkonidae, Squamata): genetic and morphological data from southern Thailand reveal two new insular species and verify the phylogenetic affinities of C. chanardi and C. kamolnorranathi. ZooKeys 1125: 115-158, DOI: http://dx.doi.org/10.3897/zookeys.1125.94060, URL: http://dx.doi.org/10.3897/zookeys.1125.94060
FDCA055516B352E592A773D90ADA47E3.taxon	etymology	Etymology. The specific epithet similan is a noun in apposition and refers to the type locality of Ko Similan.	en	Ampai, Natee, Rujirawan, Attapol, Yodthong, Siriporn, Termprayoon, Korkhwan, Stuart, Bryan L., Wood Jr, Perry L., Aowphol, Anchalee (2022): Hidden diversity of rock geckos within the Cnemaspis siamensis species group (Gekkonidae, Squamata): genetic and morphological data from southern Thailand reveal two new insular species and verify the phylogenetic affinities of C. chanardi and C. kamolnorranathi. ZooKeys 1125: 115-158, DOI: http://dx.doi.org/10.3897/zookeys.1125.94060, URL: http://dx.doi.org/10.3897/zookeys.1125.94060
