Amphisbaena mitchelli PROCTER, 1923
Can you confirm these amateur observations of Amphisbaena mitchelli?
|Higher Taxa||Amphisbaenidae, Amphisbaenia, Lacertoidea, Squamata|
|Common Names||E: Mitchell's Worm Lizard|
Portuguese: Cobra-de-Duas-Cabeças, Cobra-Cega
|Synonym||Amphisbaena mitchelli PROCTER 1923|
Amphisbaena mitchelli— GANS 1963: 3
Amphisbaena mitchelli— HOOGMOED & AVILA-PIRES 1991
Amphisbaena mitchelli — GANS 2005: 17
|Distribution||Brazil (Para, Maranhão)|
Type locality: Brazil; Para, Island of Marajo (1°00’S, 49°30’W; erroneously given as 10°00’ S by Gans 2005).
|Types||Holotype: BMNH 19188.8.131.52:RR19184.108.40.206.|
|Diagnosis||DIAGNOSIS: A medium-sized form of Amphisbaena with two oval pre-cloacal pores; with the first parietals twice as wide and much larger than the frontals; and with three supralabials and three infralabials. The form has 211 to 220 body annuli; seven caudal annuli up to the autotomy constriction (at which the tail is autotomized in one specimen); 28 to 29 caudal annuli from the cloaca to the caudal tip which is faintly compressed lateraly; 12 to 14 dorsal and 14 to 16 ventral segments to a midbody annulus; and two precloacal pores. The color of preserved specimens is a uniform darkish brown, darker on the dorsal than on the ventral surface and without any particular variegation or differentiation of the head or tail (Gans 1963: 3).|
|Comment||Distribution: map in HOOGMOED & AVILA-PIRES 1991.|
Morphology: This species is one of ~20 species of Amphisbaena with two precloacal pores (Ribeiro et al. 2019).
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