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Potamites ecpleopus (COPE, 1875)

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Higher TaxaGymnophthalmidae (Cercosaurinae), Sauria, Gymnophthalmoidea, Squamata (lizards)
Subspecies 
Common NamesE: Common Stream Lizard 
SynonymNeusticurus ecpleopus COPE 1876: 161
Neusticurus bicarinatus — GUICHENOT 1855: 30
Neusticurus ecpleopus — O’SHAUGHNESSY 1879: 295
Neusticurus ecpleopus — WERNER 1910: 28
Neusticurus tuberculatus SHREVE 1935: 209
Neusticurus ecpleopus — UZZELL 1966: 290
Neusticurus ecpleopus — PETERS et al. 1970: 207
Neusticurus ecpleopus — DUELLMAN 1978: 218
Neusticurus ecpleopus — AVILA-PIRES 1995: 427
Neusticurus ecpleopus — DIRKSEN & DE LA RIVA 1999
Neusticurus ocellatus — DIRKSEN & DE LA RIVA 1999
Neusticurus ecpleopus — CASTOE et al. 2004
Potamites ecpleopus — DOAN & CASTOE 2005
Neusticurus ecpleopus — COSTA-PRUDENTE et al. 2013
Neusticurus ecpleopus — MORATO et al. 2014
Potamipes ecpleopus — VAZ-SILVA et al. 2015 (in error)
Potamites ecpleopus — DIAGO-TORO et al. 2021 
DistributionS Colombia, Ecuador, Bolivia (Beni) (Bolivia, La Paz, Santa Cruz), Brazil (Amazonas, S Para, Acre), N Peru

Type locality: Peru; according to UZZELL (1966) probably in drainage of Río Huallega, between Rioja, Moyobamba, Balsaspuerto, and exit of Huallaga into Amazon basin.  
Reproductionoviparous 
TypesType: unlocated (fide TORRES-CARVAJAL 2001), lost fide UZZELL 1966
Holotype: MCZ 37711 [tuberculatus] 
DiagnosisDiagnosis: Neusticurus with short snout, tympanum superficial, lower eyelid with an undivided sernitransparent disc. Back with six longitudinal rows of tubercles, 28-40 (34.1 ± 2.1) in a paravertebral row. Flanks with prominent, trihedral tubercles surrounded by distinctly smaller scales. Ventrals in 18-23 (21.3 ± 1.0) transverse rows. Tail moderately compressed, with a double dorsal crest formed by two continuous rows of tubercles. Two transverse rows of scales on underside of tail correspond to two transverse rows on the sides; no distinct verticils. 
CommentSynonymy after PETERS et al. 1970. Neusticurus ocellatus SINITSIN 1930 has been considered as a synonym of Neusticurus ecpleopus.

Type species: Neusticurus ecpleopus COPE 1876: 161 is the type species of the genus Neusticurus COPE 1876. 
EtymologyNamed after Greek ecpleupos (ἕκπλευρος), six-sided. (COPE 1875, Esteban Lavilla, pers. comm., April 2024) 
References
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