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Thamnosophis infrasignatus (GÜNTHER, 1882)

IUCN Red List - Thamnosophis infrasignatus - Least Concern, LC
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Higher TaxaPseudoxyrhophiidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common Names 
SynonymPtyas infrasignatus GÜNTHER 1882: 263
Dromicus baroni BOULENGER 1888: 104
Liopholidophis thieli DOMERGUE 1972
Liopholidophis thieli — GLAW & VENCES 1994: 338
Liopholidophis infrasignatus — GLAW et al. 2001
Bibilava infrasignatus — GLAW et al. 2007
Thamnosophis infrasignatus — CADLE & INEICH 2008
Thamnosophis infrasignatus — WALLACH et al. 2014: 727 
DistributionMadagascar

Type locality: "Arkafana, Eastern Betsileo." Corrected to Ankafana, Betsileo by Boulenger, 1893a: 247.  
Reproductionoviparous 
TypesLectotype, BMNH 1946.1.7.57 (BMNH 1882.2.25.57), a 920 mm female (W.D. Cowan), designated by Cadle, 1996a: 424. 
DiagnosisDiagnosis: Liopholidophis infrasignatus differs from members of the sexlineatus group in having 19-19-17 dorsal scale rows (vs. 17-17-15). It has a relatively short tail and low numbers of subcaudals compared to other members of the stumpffi group (Table 2). The dorsolateral light stripes are anteriorly on rows 5-6, by which infrasignatus differs from lateralis (rows 3-5) and stumpffi (rows 4-5). Epistibes differs from infrasignatus in having a relatively long tail and higher ventral and subcaudal counts (Table 2 and epistibes account). (Cadle 1996: 426).


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CommentSimilar species: L. stumpffi.

Synonymy: mostly after Cadle 1996: 424. 
References
  • Boulenger, G. A. 1888. Descriptions of new Reptiles and Batrachians from Madagascar. Ann. Mag. nat. Hist. (6) 1: 101-107. - get paper here
  • Cadle, J. E. 1996. Snakes of the genus Liopholidophis (Colubridae) from Eastern Madagascar: New species, revisionary notes, and an estimate of phylogeny. Bull. Mus. Comp. Zool. Harvard 154 (5): 369-464. - get paper here
  • Cadle, John E. 2009. Sexual Dimorphism and Reproductive Biology in the Malagasy Snake Genus Liopholidophis (Lamprophiidae: Pseudoxyrhophiinae) Proc. Cal. Acad. Sci. 60 (15): 461–502
  • Cadle, John E.; Ineich, Ivan. 2008. Nomenclatural status of the Malagasy snake genus Bibilava Glaw, Nagy, Franzen, and Vences, 2007: Resurrection of Thamnosophis Jan and designation of a lectotype for Leptophis lateralis Dumeril, Bibron, and Dumeril (Serpentes: Colubridae). Herpetological Review 39 (3):285-288 - get paper here
  • Domergue, C.A. 1972. Étude de trois serpents malgaches: Liopholidophis lateralis (D.&B.), Liopholidophis stumpffi (Boettger) et Liopholidophis thieli n. sp. Bull. Mus. natn. Hist. nat., Paris 103 (77): 1397-1412.
  • Glaw ,F. & Vences, M. 1994. A Fieldguide to the Amphibians and Reptiles of Madagascar. Vences & Glaw Verlag, Köln (ISBN 3-929449-01-3)
  • Glaw, F., M. Franzen & M. Vences 2005. A new species of colubrid snake (Liopholidophis) from northern Madagascar. Salamandra 41 (1-2): 83-90 - get paper here
  • Glaw, F.; Nagy, Z.T.; Franzen, M. & Vences, M. 2007. Molecular phylogeny and systematics of the pseudoxyrhophiine snake genus Liopholidophis (Reptilia, Colubridae): evolution of its exceptional sexual dimorphism and descriptions of new taxa. Zoologica Scripta 36: 291–300 - get paper here
  • Günther,A. 1882. Ninth contribution to the knowledge of the fauna of Madagascar. Ann. Mag. nat. Hist. (5) 9: 262-266 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
  • Zimmermann, H. 2001. Das erste “deutsche” Naturschutzgebiet in Madagaskar, der “Drachenbaum-Regenwald Maromiza bei Andasibe und seine Herpetofauna. Herpetofauna 23 (134): 28-34 - get paper here
 
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