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Neusticurus medemi DIXON & LAMAR, 1981

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Higher TaxaGymnophthalmidae (Cercosaurinae), Sauria, Gymnophthalmoidea, Squamata (lizards)
Subspecies 
Common NamesE: Medem's Neusticurus 
SynonymNeusticurus medemi DIXON & LAMAR 1981
Neusticurus medemi — CHÁVEZ & CATENAZZI 2014
Neusticurus medemi — DIAGO-TORO et al. 2021 
DistributionColombia (Vaupes), Venezuela (Neblina)

Type locality: Colombia, Vaupes, Cano Monserero, a tributary of Caño Tí. The collection site is approximately 75 km WSW airline distance from Mitú, capitol of the Comisaria del Vaupés.  
Reproductionoviparous 
TypesHolotype: ICN-MHN (also as ICN) = Instituto de Ciencias Naturales, (ICN-4525, adult male. Collected 24 April 1979, by W. W. Lamar. 
DiagnosisDiagnosis: A species of Neusticurus with irregular scales in the frontonasal-prefrontal region; large size; supraoculars single or divided; an external auditory meatus with deeply recessed tympanum; caudal crests discontinuous,firstsix whorlsof caudals with large keeled crest scales separated ventrolaterally by two rows of small scales, laterally by three rows of small scales, and dorsally by 2-6 rows of small scales; tail strongly compressed; canthus rostralis sharply angular; translucent disc in lower eyelid divided in to several vertical segments; no calcareous spinules on flounces of hemipenis; no enlarged tubercles on nape or body; a dorsolateral paired series of 8-10 squarish browns pots from nape to above vent, the series continuous to tip of tail (Dixon & Lamar 1981). 
Comment 
EtymologyNamed after Dr. Federico Medem (1912-1984) [obituary in Herpetologica 40: 468 [1984]. 
References
  • Barrio-Amorós, César L. & Brewer-Carias, Charles 2008. Herpetological results of the 2002 expedition to Sarisari–ama, a tepui in Venezuelan Guayana, with the description of five new species. Zootaxa 1942: 1-68 - get paper here
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • CHÁVEZ, GERMÁN & ALESSANDRO CATENAZZI 2014. A new Andean lizard of the genus Potamites (Sauria, Gymnophthalmidae) from Manu National Park, southeastern Peru. Zootaxa 3774 (1): 045–056 - get paper here
  • DIAGO-TORO, MARÍA F.; DANIELA GARCÍA-COBOS, GIOVANNI D. BRIGANTE-LUNA & JUAN D. VÁSQUEZ-RESTREPO. 2021. Fantastic lizards and where to find them: cis-Andean microteiids (Squamata: Alopoglossidae & Gymnophthalmidae) from the Colombian Orinoquia and Amazonia. Zootaxa 5067 (3): 377–400. - get paper here
  • Dixon J R; Lamar W W 1981. A new species of microteiid lizard (genus Neusticurus) from Colombia. Journal of Herpetology 15 (3): 309-314. - get paper here
  • Marques-Souza S, Prates I, Fouquet A, et al. 2018. Reconquering the water: Evolution and systematics of South and Central American aquatic lizards (Gymnophthalmidae). Zoologica Scripta 47: 255–265 - get paper here
  • RIVAS, GILSON A.; CÉSAR R. MOLINA, GABRIEL N. UGUETO, TITO R. BARROS, CÉSAR L. BAR- RIO-AMORÓS & PHILIPPE J. R. KOK 2012. Reptiles of Venezuela: an updated and commented checklist. Zootaxa 3211: 1–64 - get paper here
 
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