enigmatic peru described basis single specimen northeastern brazil represents doubtful records african genus mainland south_america specimen brownish dark light spots white snout vent length features scales align related american genus taxonomy swiss zoologist described new species species collected peru species recorded forest region peru known single specimen placed uncertain position genus included reptiles amphibians comment reviewed american commented unable tell identity probably true writing considered identical known species known small archipelago northeastern brazil basis geographic origin preferred place species classified junior synonym reviewing nomenclature noted preoccupied making unavailable use valid unable examine comment year split genus retaining american species placing african species separate genus later corrected reviewed species examined like noted preoccupied earlier uses include consider synonym south_africa earlier assigned member genus proposed new replace new honors described animal assigned genus basis characters external anatomy shares unable resolve placement distinct species recorded represents doubtful mainland south american record considered real rare species actually origin recorded represents species represents unknown population species actually comes considering close similarity considered hypothesis likely description known specimen poor condition preserved museum specimen ears head rows scales dorsal scales scale contact frontal scale characters align mainland south american instead scales separated scales agrees size coloration numbers scales characters having scales contact muzzle narrow long lower contains large transparent disk head olive brown black scales white border eyes ears body somewhat darker head covered irregular black white spots bluish white limbs yellowish white tail light brown rows darker spots yellowish white snout vent length head length head width length body length length length incomplete tail
Trachylepis tschudii