Amphisbaena filiformis RIBEIRO, GOMES, RODRIGUES DA SILVA, CINTRA & DA SILVA, 2016
Can you confirm these amateur observations of Amphisbaena filiformis?
Amphisbaena filiformis
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| Higher Taxa | Amphisbaenidae, Amphisbaenia, Lacertoidea, Sauria, Squamata (lizards) |
| Subspecies | |
| Common Names | Portuguese: Cobra-de-Duas-Cabeças, Cobra-Cega |
| Synonym | Amphisbaena filiformis RIBEIRO, GOMES, RODRIGUES DA SILVA, CINTRA & DA SILVA 2016 |
| Distribution | Brazil (Tocantins: Babaçulândia and Estreito municipalities) Type locality: municipality of Babaçulândia (07o14’45” S, 47o46’38” W, 156 m), State of Tocantins, Brazil |
| Reproduction | |
| Types | Holotype: MPEG 27916 (field number: EDR 730), an adult male, collected on 01 February 2010 by Carlos Eduardo D. Cintra. Paratypes. Male: MPEG 27917; indeterminate sex: MPEG 27915, MPEG 27918 and MPEG 27919; same data as the holotype, but collected on 08 February 2010. Males: MZUSP 102046, MZUSP 102048, MZUSP 102049 and MZUSP 102044; female: MZUSP 102047 and MZUSP 102045; all from Estreito municipality (06°35'13" S, 47°27'39" W), State of Maranhão, Brazil, collected by Carlos Eduardo D. Cintra, between 18 January and 27 April 2011. |
| Diagnosis | Diagnosis: (1) snout rounded; (2) 328–342 body annuli; (3) absence of major fusion of head shields, being shields of dorsal, lateral and ventral head portion distincts; (4) two precloacal pores; (5) 12–14 dorsal and 14–16 ventral segments per midbody annulus; (6) autotomic site between 9–10th caudal annuli; (7) absent of chevron-shaped anterior body annuli; (8) precloacals pores arranged in a continuous series of the precloacal half-annuli; (9) 20–23 caudal annuli; (10) distinct dorsal sulci; (11) head slightly thiner than trunk; (12) tail tip slightly compressed; and (13) postmalar row absent. |
| Comment | Habitat: sandy soil, among open lowland rainforest, locally characterized by the babaçu palm tree. Morphology: This species is one of ~20 species of Amphisbaena with two precloacal pores (Ribeiro et al. 2019). |
| Etymology | The specific epithet filiformis is formed from the Latin words filum (= thread) and forma (= shape) in reference to the slender body shape characteristic of the new species. |
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