Cryptoblepharus plagiocephalus (COCTEAU, 1836)
Can you confirm these amateur observations of Cryptoblepharus plagiocephalus?
|Higher Taxa||Scincidae, Eugongylinae (Eugongylini), Scincoidea, Sauria, Squamata (lizards)|
|Common Names||E: Péron’s snake-eyed skink, Callose-palmed Shinning-skink|
|Synonym||Scincus plagiocephalus COCTEAU 1836 (part.)|
Scincus plagyocephalus COCTEAU 1836 (in error)
Ablepharus peronii DUMÉRIL & BIBRON 1839: 813 (part.)
Cryptoblepharus burtonii MACLEAY 1877 (lapsus pro Scincus boutonii)
Ablepharus boutoni punctatus STERNFELD 1918
Ablepharus boutonii plagiocephalus — MERTENS 1931: 116
Cryptoblepharus plagiocephalus — GREER 1974: 21
Cryptoblepharus carnabyi STORR 1976
Cryptoblepharus carnabyi — COGGER 1983: 141
Cryptoblepharus plagiocephalus — COGGER 1983: 142
Cryptoblepharus carnabyi — COGGER 2000: 404
Cryptoblepharus plagiocephalus — COGGER 2000: 406
Cryptoblepharus carnabyi — COUPER et al. 2006
Cryptoblepharus plagiocephalus — WILSON & SWAN 2010
|Distribution||Australia (mid and southern regions of Western Australia, extending from north of Port Hedland, south to about Geraldton and inland to about Kalgoolie).|
Storr et al. (1983) record it (as C. carnabyi) from the Houtman Abrolhos island group, off Geraldton.
Type locality: Shark Bay, W. A.; restricted erroneously to Swan River, Western Australia by STORR 1961.
carnabyi: Australia (Northern Territory, Queensland, South Australia, Victoria, Western Australia); Type locality: 11 km WSW of Youanmi, in 28° 37’ S, 118'43’ E, W. A.
|Types||Lectotype: MNHN-RA 7150, from Shark Bay, W. A. (paralectotypes from Tasmania (in error), Tahiti, Hawaiian Ils. and Puña Is., Ecuador), designated by Cogger 1983.|
Syntypes: BMNH 1918.104.22.168-74, from Australia, (W. A. fide Boulenger 1887) [Tiliqua buchananii].
Syntypes: MNHN-RA 7150 (Shark Bay), MNHP 3088 (Tas.), from Tas. (in error) and Shark Bay, W. A.; for extralimital syntypes see Guibé (1954) [Ablepharus peronii].
Syntypes: BMNH 22.214.171.124-40, from North Australian Exped. [Ablepharus boutonii metallicus]
Lectotype: SMF 15683, from Hermannsburg, N. T. (as West Central Australia), designated by Mertens (1967) [Ablepharus boutoni australis] - 2 specimens in bottle one of which appears to be the type.
Lectotype: SMF 15685, from Yalgoo, W. A. ('West-Australien" in original description), designation by Mertens (1967) [Ablepharus boutoni punctatus]
Holotype: WAM R21182 [carnabyi]
|Diagnosis||Diagnosis. A medium sized (40–44 mm SVL), short- legged, shallow-headed, arboreal Cryptoblepharus, distinguished from Australian congeners by combination of modal values of ﬁve supraciliary scales, 24 midbody scale rows, 50 paravertebral scales and 9 palmar scales; mean values of 33.6 mm snout-vent length, body length 49.1% of snout-vent length, lead length 21.5% of snoutvent length, head depth 39.5% of head length and forelimb length 33.9% of snout-vent length; pale, acute plantar scales; moderately keeled fourth toe subdigital lamellae, and wide pale dorsolateral stripes.|
|Comment||Synonymy mainly after COGGER 1983. Mertens (1931: 116) also provides a synonymy (he also lists metallicus as a valid subspecies).|
According to Mertens (1931) the type series of Scincus plagiocephalus Cocteau is composite, containing representatives of Cryptoblepharus plagiocephalus and the extra-limital Cryptoblepharus poeciliopleurus. Therefore it has been necessary to designate as lectotype the MNHP syntype from Shark Bay, W. A. Because the syntypes are extant (Guibé 1954), the action of Storr (1961) in restricting the type locality to Swan River, W. A. is inappropriate.
Tiliqua buchananii GRAY 1838, Ablepharus boutoni australis STERNFELD 1918, Cryptoblepharus plagiocephalus ruber BÖRNER & SCHÜTTLER 1981, and Ablepharus boutonii metallicus BOULENGER 1887 have been removed from the synonymy of C. plagiocephalus by HORNER 2007. HORNER 2007 also synonymized Cryptoblepharus carnabyi STORR 1976 with C. plagiocephalus.
Distribution: not in NSW; what was plagiocephalus and carnabyi in NSW are now considered to be other species (australis and pannosus (fide Swan et al. 2017, Field Guide NSW, G. Shea, pers. comm., 5 March 2021).
Sympatry. Cryptoblepharus plagiocephalus occurs in sympatry with C. buchananii from lineage 1 on Dirk Hartog Island, Shark Bay (Maryan 1996), Greenough, and in the Exmouth (Storr and Hanlon 1980) and Geraldton regions (Storr et al. 1983).
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