Amphisbaena
Creators: name: Ribeiro, Síria
name: Gomes, Jerriane O.
name: Silva, Helder Lúcio Rodrigues Da
name: Cintra, Carlos Eduardo D.
name: Jr, Nelson Jorge Da Silva
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Reptilia
Squamata
Amphisbaenidae
Amphisbaena

description: Key to the species of Amphisbaena with two precloacals pores
1. Precloacals pores arranged in a continuous series............................................................ 4
- Precloacals pores separated for median hiatus.............................................................. 2
2. Tail with autotomic constriction, less than 19 dorsal segments in midbody half-annulus, 3/3 supralabials............... 3
- Autotomic constriction of tail absent, more than 19 dorsal segments in midbody half-annulus, 4/4 supralabials............
...................................................................................... Amphisbaena carli 3. More than 238 body annuli, less than 16 tail annuli, postmalar row absent, tail tip compressed...... Amphisbaena absaberi - Less than 215 body annuli, more than 17 tail annuli, postmalar row present, tail tip rounded........... Amphisbaena hiata
4. Postmalar present.................................................................................... 5
- Postmalar absent..................................................................................... 8
5. Body annuli 216–249; tail tip slightly compressed........................................... Amphisbaena leeseri
- Body annuli less than 207, tail tip rounded................................................................ 6
6. Dorsal and ventral sulci present; 10–12 dorsal and 10–14 ventral segments to a midbody annulus.... Amphisbaena silvestrii
- Dorsal and ventral sulci absent; 13–19 dorsal and 16–23 ventral segments to a midbody annulus..................... 7
7. Caudal annuli 19–25.................................................................. Amphisbaena darwini
- Caudal annuli 15–18.............................................................. Amphisbaena heterozonata
8. Body annuli less than 139, 9 tail annuli.................................................... Amphisbaena brevis
- Body annuli more than 150, tail annuli more than 12........................................................ 9
9. Body annuli less than 186............................................................................ 10
- Body annuli more than 202........................................................................... 12
10. 10 dorsal and 10 ventral segments to a midbody annulus...................................... Amphisbaena crisae
- 12–16 dorsal and ventral segments to a midbody annulus.................................................... 11
11. Dorsal and ventral sulci present, 14–16 tail annuli......................................... Amphisbaena neglecta
- Dorsal and ventral sulci absent, 18–20 tail annuli....................................... Amphisbaena anaemariae
12. Body annuli 328−342................................................................ Amphisbaena filiformis
- Body annuli less than 292............................................................................ 13
13. Tail autotomic constriction absent...................................................................... 14
- Tail autotomic constriction present...................................................................... 16
14. Tail tip strongly compressed........................................................... Amphisbaena roberti
- Tail tip rounded.................................................................................... 15
15. Tail annuli 13–18, dorsal sulci present..................................................... Amphisbaena dubia
- Tail annuli 20–26, dorsal sulci absent................................................ Amphisbaena lumbricalis
16. 10 dorsal segments to a midbody annulus.................................................. Amphisbaena caiari
- 12–16 dorsal segments to a midbody annulus............................................................. 17
17. Body annuli 203−220, caudal annuli 26−29, dorsal sulci absent............................... Amphisbaena mitchelli
- Body annuli more than 229, tail annuli 18−24, dorsal sulci present............................................ 18
18. Tail tip rounded.................................................................. Amphisbaena miringoera
- Tail tip slightly or strongly compressed.................................................................. 19
19. Body annuli 230−241, nasal well delimited and in contact in dorsal portion................... Amphisbaena persephone
- Body annuli 283–292, nasal shield partially distinct........................................ Amphisbaena cuiabana
description: Published as part of Ribeiro, Síria, Gomes, Jerriane O., Silva, Helder Lúcio Rodrigues Da, Cintra, Carlos Eduardo D. & Jr, Nelson Jorge Da Silva, 2016, A new two-pored species of Amphisbaena (Squamata, Amphisbaenidae) from the Brazilian Cerrado, with a key to the two-pored species of Amphisbaena, pp. 124-142 in Zootaxa 4147 (2) on pages 135-136, DOI: 10.11646/zootaxa.4147.2.2, http://zenodo.org/record/262985