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Phalotris labiomaculatus DE LEMA, 2002

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesPortuguese: Coral-Falsa, Falsa-Coral 
SynonymPhalotris labiomaculatus DE LEMA 2002
Phalotris labiomaculatus — HAMDAN et al. 2013
Phalotris labiomaculatus — WALLACH et al. 2014: 546
Phalotris labiomaculatus — NOGUEIRA et al. 2019 
DistributionN Brazil (Maranhao, Tocantins, Piauí)

Type locality: Esperanya Farm, at Buriti Grande, Porto Franco Municipality, State of Maranhao, Brazil (6.20°5' S - 47.24° W),on Serra da Desordem, at the Cerrado morphoclimatic domain  
TypesHolotype: MCP 10693, adult male, sent by Rubens Nobuo Yuki; captured in September 1983. 
DiagnosisDiagnosis: Species similar to Phalotris concolor shared characters as ratio of total length by head length, high number of ventral scales (more than 200) and general coloration, but Phalotris labiomaculatus differs of Phalotris concolor by to be more robust head, sharper rostral plate, larger eyes, very reduced lower postocular, almost indistinct, rectangle like posterior temporal, four infralabial plates contacting the first pair of chin shield, posterior chin shields slightly smaller than anterior one; larger white nuchal collar, narrower black cervical collar attaining ventral side, supralabial plates strongly blotched with black, mental and gular regions almost immaculate. Phalotris concolor has slender head, rostral shorter and less sharp, eyes smaller, lower postocular smaller than upper, posterior temporal longer and narrower, fourth infralabial just contacting anterior chin shields, posterior chin shields much longer than anterior, white nuchal collar narrower, black cervical collar longer as fourth rows of dorsal scales, supralabial plates almost immaculate, mental and gular regions strongly black blotched. 
EtymologyThe name is referent to the black blotches on the labial plates that differ this species from the others ofthe same group. 
  • DE LEMA, T. 2002. New species of Phalotris from northern Brazil with notes on the nasutus group (Serpentes: Elapomorphinae). Comunicacoes do Museu de Ciencias e Tecnologia da PUCRS Serie Zoologia, 15(2): 201-214.
  • Entiauspe-Neto, Omar Machado; Arthur Tiutenko, Weverton dos Santos Azevedo, & Arthur Diesel Abegg 2021. Extraordinary claims require extraordinary evidence: on the taxonomic identity of Phalotris cerradensis Silveira, 2020. Revue suisse de Zoologie 128(1): 53-60
  • Gonzalez R. C. et al. 2020. Lista dos Nomes Populares dos Répteis no Brasil – Primeira Versão. Herpetologia Brasileira 9 (2): 121 – 214 - get paper here
  • HAMDAN, BRENO; NELSON JORGE JR DA SILVA, HELDER LUCIO RODRIGUES SILVA 2013. Redescription of Phalotris labiomaculatus (Serpentes, Dipsadidae, Elapomorphini), with notes on the taxonomic boundaries within the nasutus group. Zootaxa 3693 (2): - get paper here
  • Moura, Mario Ribeiro; Henrique Caldeira Costa & Renata Magalhães Pirani 2013. Rediscovery of Phalotris concolor (Serpentes: Dipsadidae: Elapomorphini). ZOOLOGIA 30 (4): 430–436 - get paper here
  • Nogueira, Cristiano C.; Antonio J.S. Argôlo, Vanesa Arzamendia, Josué A. Azevedo, Fausto E. Barbo, Renato S. Bérnils, Bruna E. Bolochio, Marcio Borges-Martins, Marcela Brasil-Godinho, Henrique Braz, Marcus A. Buononato, Diego F. Cisneros-Heredia, 2019. Atlas of Brazilian snakes: verified point-locality maps to mitigate the Wallacean shortfall in a megadiverse snake fauna. South American J. Herp. 14 (Special Issue 1):1-274 - get paper here
  • Silveira, Adriano Lima 2020. UMA NOV A ESPÉCIE DE Phalotris (SERPENTES, DIPSADIDAE) DO CERRADO NO NORDESTE DO BRASIL. Acta Biologica Brasiliensia 3 (1): 47-67
  • 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.
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