Geckolepis humbloti VAILLANT, 1887
Can you confirm these amateur observations of Geckolepis humbloti?
|Higher Taxa||Gekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)|
|Common Names||Comoran fish scale gecko|
|Synonym||Geckolepis humbloti VAILLANT 1887|
Geckolepis humbloti — HAWLITSCHEK et al. 2015
|Distribution||Grande Comore (Comoro Islands)|
Type locality: Grande Comore
|Types||Syntype: MNHN 1885.480–82|
|Comment||Synonymy: Geckolepis humbloti has been synonymized with G. maculata by ANGEL 1942. Most subsequent authors followed this, e.g. WERMUTH 1965, KLUGE et al. 1993. HAWLITSCHEK et al. 2015 resurrected humbloti as it is paraphyletic with maculata based on DNA data.|
Diagnosis: Geckolepis humbloti is a species of Geckolepis that differs from all other species of the genus by the following combination of characters (see also Table 2): maximum SVL (65.3 mm), number of scale rows around midbody (22–30), number of infralabials to level of anterior margin of eye (3.0–4.0), number of ventral scale rows from postmentals to vent (33–41), and mental scale condition—innermost pair of large postmental scales in contact with each other posterior to mental scale (type E) or separated by a median postmental scale (type F).
G. humbloti is distinguished from the holotype of G. maculata (ZMB 9655) by a combination of maximum SVL (65.3 vs. 5.5 mm) and number of ventral scale rows from postmentals to vent (33–41 vs. 32). The following osteological characters are also noted to differ between the skulls of two scanned G. humbloti specimens and that of ZMB 9655: antero-lateral corner of nasal bulging laterally (versus straight), frontoparietal suture straight (vs. curved posteriorly), subolfactory process ventromedially closed (vs. not closed), frontoparietal suture straight (vs. curved posteriorly), and posterior edge of fused paired parietals curved (vs. more or less straight). These are to be considered “potentially diagnostic” until further data on the variation of osteology in these taxa are available.
G. humbloti is distinguished from G. typica by a combination of the following characters: maximum SVL (65.3 vs. 57 mm), number of scale rows around midbody (22–30 vs. 26–36), number of ventral scale rows from postmentals to vent (33–41 vs. 37–4), number of supralabial scales (5–7 vs. 6–7), number of infralabial scales (4–6 vs. 5–7), and arrangement of the postmental scales posterior to the mental scale (types E, F vs. types A, B, C, D).
G. humbloti is distinguished from G. polylepis by a combination of the following characters: maximum SVL (65.3 vs. 51 mm), number of scale rows around midbody (22–30 vs. 30–37), number of ventral scale rows from postmentals to vent (33–41 vs. 40–50), and number of infralabials to level of the anterior margin of the eye (3.0–4.0 vs. 4.0–5.5) [from HAWLiTSCHEK et al. 2015]
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