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Tropidophis paucisquamis (MÜLLER, 1901)

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Higher TaxaTropidophiidae, Henophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common NamesBrazilian Dwarf Boa 
SynonymUngalia paucisquamis MÜLLER in SCHENKEL 1901
Ungalia brasiliensis ANDERSSON 1901
Tropidophis paucisquamis — STULL 1928: 19
Tropidophis paucisquamis — AMARAL 1930
Tropidophis paucisquamis — MCDIARMID, CAMPBELL & TOURÉ 1999: 221
Tropidophis paucisquamis — CURCIO et al. 2012: 92
Tropidophis paucisquamis — WALLACH et al. 2014: 755 
DistributionSE Brazil (Espírito Santo, Rio de Janeiro, São Paulo, Paraná) elevation 500-650 m

Type locality: "Continent of Tropical America" [MÜLLER in SCHENKEL 1901]; restricted to municipality of Salesópolis, state of São Paulo, Brazil by CURCIO et al. 2012.

brasiliensis: Type locality: "Brasilia" [ANDERSSON 1901]  
Reproductionviviparous. 
TypesHolotype: NMBA 426 (Naturhistorisches Museum Basel.
Holotype: NRS 1932 [ANDERSSON 1901] 
CommentSynonymy that of PETERS & OREJAS-MIRANDA 1970.

Comparisons. Ventral counts of T. paucisquamis are apparently intermediate among South American taxa. However, with the evidence at hand, it is the only mainland species to have a good proportion of specimens with 21 dorsal scales at midbody (approximately 41% of our sample). Nonetheless, this observation is not decisive because other mainland taxa are known by considerably smaller samples. Subcaudal counts of T. paucisquamis may be high (up to 38), overcoming T. taczanowskyi and T. grapiuna, but not T. battersbyi (41 subcaudals in the only known specimen). The enlarged scales of the vertebral row of dorsals, present in most specimens of T. paucisquamis, do not occur in T. battersbyi, T. grapiuna, and T. taczanowskyi [CURCIO et al. 2012]. 
References
  • Andersson, L.G. 1901. Some new species of snakes from Cameroon and South America, belonging to the collections of the Royal Museum in Stockholm. Bihang till Kongliga Svenska Vet. Akad. Handlingar 27 (4): 1-26 - get paper here
  • Capela DJV, Morato SAA, Moura-Leite JC, Prado F, Borges GO, Camilo LHA 2017. Tropidophis paucisquamis (Müller in Schenkel, 1901) (Serpentes, Tropidophiidae): first record from Paraná state and southern Brazil. Check List 13 (6): 917-920 - get paper here
  • Curcio, Felipe Franco; Pedro M. Sales Nunes, Antônio Jorge Suzart Argolo, Gabriel Skuk, and Miguel Trefaut Rodrigues 2012. Taxonomy of the South American Dwarf Boas of the Genus Tropidophis Bibron, 1840, With the Description of Two New Species from the Atlantic Forest (Serpentes: Tropidophiidae). Herpetological Monographs 26 (1): 80-121. - get paper here
  • Hedges, S. B. and O. H. Garrido. 1992. A new species of Tropidophis from Cuba (Serpentes: Tropidophiidae). Copeia 1992 (4): 820-825 - get paper here
  • Hedges, S.B. 2002. Morphological variation and the definition of species in the snake genus Tropidophis (Serpentes, Tropidophiidae). Bull. nat. Hist. Mus. London (Zool.) 68 (2): 83-90 - get paper here
  • McDiarmid, R.W.; Campbell, J.A. & Touré,T.A. 1999. Snake species of the world. Vol. 1. Herpetologists’ League, 511 pp.
  • Oliveira Lula Salles, R. de & Silva-Soares, T. 2010. Répteis do município de Duque de Caxias, Baixada Fluminense, Rio de Janeiro, Sudeste do Brasil. Biotemas, 23 (2): 135-144
  • ROCHA, CARLOS FREDERICO D.; HELENA G.BERGALLO, JOSÉ P. POMBAL JR., LENA GEISE, MONIQUE VAN SLUYS, RONALDO FERNANDES, ULISSES CARAMASCHI 2004. FAUNA DE ANFÍBIOS, RÉPTEIS E MAMÍFEROS DO ESTADO DO RIO DE JANEIRO, SUDESTE DO BRASIL Publ. Avul. Mus. Nac., Rio de Janeiro (104): 3-23 - get paper here
  • Schenkel, E. 1901. Achter Nachtrag zum Katalog der herpetologischen Sammlung des Basler Museums. Verh. naturf. Ges. Basel, 13:142-199. - get paper here
  • Stull, O.G. 1928. A revision of the genus Tropidophis. Occas. Pap. Mus. Zool. Univ. Michigan 195: 1-49.
  • Tanaka, Rafael Mitsuo; Elsie Laura Rotenberg, Edélcio Muscat 2018. Tropidophis paucisquamis Müller, 1901 (Reptilia, Squamata, Tropidophiidae): a reliable record for lowland Atlantic Forest in Ubatuba, São Paulo Herpetology Notes 11: 243-244 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. Taylor and Francis, CRC Press, 1237 pp.
 
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