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Pseudoboa martinsi ZAHER, OLIVEIRA & FRANCO, 2008

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common Names 
SynonymPseudoboa martinsi ZAHER, OLIVEIRA & FRANCO 2008
Pseudoboa martinsi — WALLACH et al. 2014: 599 
DistributionBrazil (Amazon basin: Pará, Amazonas, Roraima, Rondônia)

Type locality: Fazenda Porto Alegre, a forest fragment belonging to the PDBFF (Projeto Dinâmica Biológica de Fragmentos Flo- restais), Manaus, State of Amazonas, Brazil (2° 25’ 00” S, 59° 43’ 00” W).  
Reproductionoviparous 
TypesHolotype: MZUSP 8549, a large male (Museu de Zoologia da Universidade de São Paulo), collected by Barbara Zimmerman in November 1984.
Paratypes (N=10). MZUSP 15326, a small male from Itapuã d'Oeste, State of Rondônia, collected by Matheus G. Pires in 2004; INPA 1036, a small male from Guajará-Mirim, State of Rondônia; MZUSP 15592, a female from km 4, BR 174, State of Amazonas, collected by M. Santos in May 1995; MPEG 15, a large male from Uaupés river near Iauareté, State of Amazonas; IBSP 75520, a large male from km 42, BR-174, State of Amazonas, collected by Giuseppe Puorto in June 1997; IBSP 31981, a large male from Iauareté, near the border with Colombia, State of Amazonas, collected by A. R. Hoge in January 1971; MZUSP 15707, a large female from a forested area along BR 174 near the southern border between the states of Roraima and Amazonas, State of Roraima, collected by Marcelo Gordo in May 1996; IBSP 75712, a large female from Parque Nacional do Jaú, Novo Ayrão, State of Amazonas, collected by Marcelo Gordo in July 1992; INPA 18231, a large female from km 25, AM010, Igarapé Acará, Reserva Florestal Adolfo Ducke, State of Amazo- nas, collected by Rafael de Fraga in November 2006; MPEG 20257, a large male from Platô Almeida, Porto Trombetas, Oriximiná, State of Pará. 
DiagnosisDiagnosis. A Pseudoboa that differs from all other species of the genus by the retention of a large pale collar in large individuals, and by the absence of apical pits on dorsal scales. Further differs from Pseudoboa haasi, P. nigra, and P. neuwiedii in having 17 instead of 19 dorsal scale rows, and from P. nigra and P. neuwiedii in the presence of seven instead of eight supralabial scales.
 
CommentThe new species is distinguished from the other five species of the genus by a combination of scalation and coloration characters. Individuals of the new species were found in both primary and disturbed forested areas. The species seems to be predominantly nocturnal and secretive because specimens were found foraging in the litter during night.

ZAHER et al. (2008) nicely illustrate the ontogenetic shift of color patterns in this species. 
EtymologyThe specific name, a noun in the genitive case, honors Dr. Marcio Martins for his invaluable contri- bution to knowledge of the natural history of Brazilian snakes. Dr. Martins studied the biology of Amazonian snakes during his years as a Research Associate of the Universidade Federal do Amazonas, Manaus (UFAM). 
References
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • BERNARDE, P.S., ALBUQUERQUE, S., BARROS, T.O. & TURCI, L.C.B. 2012. Serpentes do Estado de Rondônia, Brasil. Biota Neotrop. 12(3): 1-29 - get paper here
  • Fraga R de, Stow AJ, Magnusson WE, Lima AP 2014. The Costs of Evaluating Species Densities and Composition of Snakes to Assess Development Impacts in Amazonia. PLoS One 9 (8): e105453. doi:10.1371/journal.pone.0105453 - get paper here
  • FRAZAO-LUIZ, LUCIANA 2017. New record and revised distribution map of Pseudoboa martinsi Zaher et al., 2008 (Serpentes: Colubridae: Dipsadinae) in the state of Amazonas, Brazil Herpetology Notes 10: 193-195 - get paper here
  • Morato, S.A.A.; Calixto, P.O.; Mendes, L.R.; Gomes, R.; Galatti, U.; Trein, F.L.; Oliveira, F.S.; Ferreira, G.N. 2014. Guia fotográfico de identificação da herpetofauna da Floresta Nacional de Saracá-Taquera, Estado do Pará. Curitiba: STCP Engenharia de Projetos Ltda.; Porto Trombetas: MRN – Mineração Rio do Norte S.A.; 213 p. - get paper here
  • O’Shea, M. 2018. The Book of Snakes. Ivy Press / Quarto Publishing, London, - 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.
  • Zaher, H.; Oliveira, M.E. & Franco, F.L. 2008. A new, brightly colored species of Pseudoboa Schneider, 1801 from the Amazon Basin (Serpentes, Xenodontinae). Zootaxa 1674: 27-37 - get paper here
 
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