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Philodryas laticeps WERNER, 1900

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common Names 
SynonymPhilodryas laticeps WERNER 1900: 198
Philodryas oligolepis GOMES in AMARAL 1921: 4
Philodryas viridissima laticeps — THOMAS 1976
Philodryas laticeps — WILLIAMS & FRANCINI 1991
Philodryas oligolepis — STARACE 1998: 313
Philodryas laticeps — ZAHER et al. 2008
Philodryas laticeps — WALLACH et al. 2014: 550 
DistributionBolivia, Brazil

Type locality: Santa Catharina, Brazil

oligolepis: Brazil (Minas Gerais), S French Guiana, possibly Suriname (fide STARACE 1998). Type locality: Mariana, Estado de Minas Gerais, Brazil  
Reproductionoviparous 
TypesHolotype: ZMB 15704
Neotype: FMNH 168003 (designated by Thomas 1976) 
DiagnosisDiagnosis: Philodryas laticeps differs from all other species in the genus by the following combination of characters: head, body, and tail uniformly green, except for the gular region and anteriormost ventrals which are white; mucosa surrounding the larynx and trachea in the floor of the mouth covered with black pigmentation; lack of well-defined longitudinal rows of large and shallow body calyces on the distal half of the asulcate surface of the hemipenial body; lateral enlarged spines reduced to middle sized spines; distal rows of middle sized spines disposed in a typical “V-shaped” configuration on the asulcate surface of the hemipenial body; diameter of the central portion of the hemipenis larger than both proximal and distal extremities; dorsal scale rows reducing anteroposteriorly from 19–17 to 13–11; high number of ventral scales (204 to 218); ventrals angulated laterally [Zaher et al. 2008]. 
CommentListed as synonym of Philodryas olfersii in PETERS & OREJAS-MIRANDA 1970: 244. 
Etymology 
References
  • Amaral,A. do 1921. Duas novas especies de Colubrideos opisthoglyphos brasileiros (Philodryas oligolepis e Apostolepis longicaudata). Ann. Paulistas Med. & Chirurg. 9 (7-8): 3-6
  • Claessen, H. 2003. De slangen van de Guyanas Deel VII. Lacerta 61 (6): 221-234 - get paper here
  • Müller, L. 1928. Herpetologische Mitteilungen. Zool. Anz. 77: 61-84
  • Starace, Fausto 1998. Guide des Serpents et Amphisbènes de Guyane. IBIS Rouge Editions, Guadeloupe, Guyane, 450 pp.
  • Starace, Fausto 2013. Guide des Serpents et Amphisbènes de Guyane. Ibis Rouge Editions, Matoury, Guyane, ISBN 978-2-84450-407-4 - 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.
  • Werner, F. 1900. Beschreibung einiger noch unbekannter neotropischer und indischer Reptilien. Zool. Anz. 23: 196-198 - get paper here
  • Williams,J.D. & Francini,F. 1991. A checklist of the Argentine snakes. Boll. Mus. Reg. Sci. Nat. Torino 9 (1): 55-90
  • Zaher, H.; Scrocchi, G. & Masiero, R. 2008. Rediscovery and redescription of the type of Philodryas laticeps Werner, 1900 and the taxonomic status of P. oligolepis Gomes, 1921 (Serpentes, Colubridae). Zootaxa 1940: 25–40 - get paper here
 
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