Amphisbaena arda RODRIGUES, 2003
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|Higher Taxa||Amphisbaenidae, Amphisbaenia, Lacertoidea, Squamata (lizards)|
|Common Names||Portuguese: Cobra-de-Duas-Cabeças-Pintada|
|Synonym||Amphisbaena arda RODRIGUES 2003|
Amphisbaena arda — GANS 2005: 11
Type locality: Mocambo do Vento, Ibiraba, Bahia, Brazil (10° 49’ 13’’ S, 42° 52’ 26’’ W).
|Types||Holotype: MZUSP 91638|
|Diagnosis||Diagnosis: A medium-sized Amphisbaena with an elongate snout, paired nasals, frontals and parietals, 242 body and 30 caudal annuli, 23 dorsal and 23 ventral segments per annuli at midbody, 4 precloacal pores, 4 supralabials, and 3 infralabials. The distance between nostril and upper lip equals distance from nostril to suture between nasals. Additionally the new species differs from all other Amphisbaena by presenting a checkered black and white pattern which is restricted to dorsal and lateral parts of body; the ventral surface is immaculate creamy white [RODRIGUES 2003 (2002)].|
|Comment||Sympatry: A. hastata, Leposternon polystegum.|
Similar species: A. fuliginosa, A. vermicularis. A. arda has an immaculate venter whereas in A. fuliginosa the ventral color varies from a checkered pattern identical to dorsal color to a slightly black mottled ventral surface but never immaculate. The head scales of A. arda are flat, never swollen whereas in A. vermicularis the head scales are characteristically swollen.
Habitat: in sand
Abundance: only known from the type specimen (Meiri et al. 2017).
|Etymology||Named after the Greek “arda” = dirty; refering to the unclean color pattern which is predominantly milky-white with irregular and scattered black spots.|
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