Amphisbaena brevis STRÜSSMANN & MOTT, 2009
Can you confirm these amateur observations of Amphisbaena brevis?
|Higher Taxa||Amphisbaenidae, Amphisbaenia, Lacertoidea, Squamata|
|Synonym||Amphisbaena brevis STRÜSSMANN & MOTT 2009|
|Distribution||Brazil (Mato Grosso)|
Type locality: near km 63 of the paved road MT 351 (14°57’22’’S, 55°52’00’’W), 70 km north of Cuiabá, municipality of Chapada dos Guimarães, state of Mato Grosso, Brazil
|Types||Holotype: ZUEC 2834, male, road killed, collected on 16 December 2001 by Christine Strüssmann.|
|Diagnosis||Diagnosis: Among the two-pored species of Amphisbaena, A. brevis sp. n. has only 139 body annuli, while A. dubia Müller, 1924, A. mitchelli Procter, 1923, A. leeseri Gans, 1964, A. miringoera Vanzolini, 1971, and A. hiata Montero & Ce´ spedez, 2002 have more than 200. Amphisbaena brevis sp. n. can be easily distinguished from A. silvestrii Boulenger, 1902, A. neglecta Dunn & Piatt, 1936, A. crisae Vanzolini, 1997 and A. anaemariae Vanzolini, 1997 by the belly that lacks pigment, in striking contrast with the heavily pigmented ventral surface of the tail, and the least number of body annuli (139 instead of more than 150 for the other species). It can be further distinguished from these four species by a higher number of dorsal midbody segments (18 instead of 10–12, 12–14, 10, and 14–16, respectively). The new species differs from A. trachura Dume´ ril & Bibron, 1839 and A. heterozonata Burmeister, 1861 by the lower number of body annuli (139 instead of 178–199 and 190–207, respectively), and lower number of midbody ventral segments (14 instead of 16–22 and 15–22).|
|Comment||Abundance: only known from the type specimen (Meiri et al. 2017).|
Morphology: This species is one of ~20 species of Amphisbaena with two precloacal pores (Ribeiro et al. 2019).
|Etymology||The specific name is derived from the Latin word brevis, meaning short. It refers to the general appearance of the holotype, and addresses the most remarkable trait of this two-pored species: the lowest number of body annuli among all species presently known in the genus Amphisbaena.|
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