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Calamodontophis paucidens (AMARAL, 1936)

IUCN Red List - Calamodontophis paucidens - Vulnerable, VU
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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Tropical Forest Snake
Portuguese: Cobra-Espada-dos-Pampas, Cobra-Espada-Xadrez, Falsa-Cobra-Espada 
SynonymCalamodon paucidens AMARAL 1936: 204
Calamodontophis paucidens — AMARAL 1963 (nom. subst.)
Calamodontophis paucidens — PAGINI & LEMA 1987
Calamodontophis paucidens — FRANCO et al. 2006
Calamodontophis paucidens — WALLACH et al. 2014: 143
Calamodontophis paucidens — NOGUEIRA et al. 2019
Calamodontophis paucidens — TREVINE et al. 2022 
DistributionBrazil (Rio Grande do Sul, Paraná), Uruguay

Type locality: the village of São Simão, nowadays Remonta railroad station (29°57’S; 54°57’W), municipality of Cacequi (29°53’S; 54°49’W), state of Rio Grande do Sul, Brazil.  
Reproductionovoviviparous 
TypesHolotype: IBSP (= IB) 8847, female 
DiagnosisDiagnosis (genus): The genus is distinguished from all other genera of Tachymenini by the combination of the following characters: dorsal scales in 15 rows without reduction on the body, an apical pit present; dark postocular stripe absent; caudal gland highly developed; nasal shield entire (Franco, 2000).


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CommentCalamodon is preoccupied by a fossil mammal.

Type species: Calamodon paucidens AMARAL 1936 is the type species of the genus Calamodontophis AMARAL 1963. 
EtymologyNamed after Latin paucum, pauci, only a small/, an indefinite number of/few things + Latin dens, dentis, tooth; tusk (Esteban Lavilla, pers. comm., April 2024)

The genus was named after Latin calamus, calami, reed, cane + Greek odontos (ὀδόντος), tooth + Greek ophis, (ὄφις), a serpent, snake. 
References
  • Amaral, A. do 1936. Contribuicao ao cohecimento dos ophidos do Brasil. VII. Novas generos e especies de Colubridoes opisthoglyphos. Mem. Inst. Butantan 9 (1935): 203-207 - get paper here
  • AMARAL, A. DO 1963. Geochelone from the Pleistocene of Curacao, Netherlands Antilles. Copeia 1963 (3): 579-580 - get paper here
  • Bailey, Joseph R. 1966. A redescription of the snake Calamodontophis paucidens. Copeia 1966 (4): 885-886 - get paper here
  • Carreira Vidal, Santiago 2002. Alimentación de los ofidios de Uruguay. Asoc. Herp. Esp., Monograf. Herp. 6, 127 pp. - get paper here
  • CARREIRA, S. 2006. Calamodontophis. Catalogue of American Amphibians and Reptiles 819: 1-3. - get paper here
  • Carreira, S. & R. Maneyro. 2015. Lista Roja de los Anfbios y Reptiles del Uruguay. Dirección Nacional de Medio Ambiente, Montevideo, 64 pp. - get paper here
  • CARREIRA, S., M. MENEGHEL AND F. ACHAVAL 2005. Reptiles de Uruguay. DI.R.A.C., Facultad de Ciências Ed., Montevideo, 637 pp.
  • Carreira, S.; Brazeiro, A.; Camargo, A.; da Rosa, I.; Canavero, A. & Maneyro, M. 2012. DIVERSITY OF REPTILES OF URUGUAY: KNOWLEDGE AND INFORMATION GAPS. Bol. Soc. Zool. Uruguay (2a época) 21 (1-2): 9-29 - get paper here
  • Carreira, Santiago; Ignacio Lombardo & Federico Achaval-Coppes. 2012. NUEVOS REGISTROS DE OFIDIOS POCO CONOCIDOS EN URUGUAY (REPTILIA: SQUAMATA: SERPENTES). Bol. Soc. Zool. Uruguay (2a época) 21 (1-2): 70-74 - get paper here
  • Carreira, Santiago; Lombardo, Ignacio. 2008. The hemipenis and external morphology of a new specimen of Calamodontophis paucidens (Amaral, 1935) (Serpentes: Colubridae, Dipsadinae, Tachymenini) from Uruguay. Herpetological Review 39 (3):282-283 - get paper here
  • Franco, F. L., E. L. Salomão, M. B. Martins, M. DI BERNARDO, M. Meneghel, and S. Carreira 2001. New records of Calamodontophis pauciden (Serpentes, Colubridae, Xenodontinae) from Brazil and Uruguay. Cuadernos de Herpetología 14: 155-159. - get paper here
  • Franco, F. L.; L.A. de Carvalho Cintra & de Lema, T. 2006. A NEW SPECIES OF CALAMODONTOPHIS AMARAL, 1963 (SERPENTES, COLUBRIDAE, XENODONTINAE) FROM SOUTHERN BRAZIL. South American J. Herp. 1 (3): 218-226 - get paper here
  • 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
  • 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
  • Pagini, E. & Lema, T. de 1987. REENCONTRO DE Calamodontophis paucidens (AMARAL, 1936) E CONTRIBUICAO AO CONHECIMENTO DO GÉNERO E DA ESPÉCIE(SERPENTES, COLUBRIDAE, TACHYMENINAE). Com. Mus. Cienc. PUCRS (47): 195-208
  • Trevine, V. C., Grazziotin, F. G., Giraudo, A., Sallesbery‐Pinchera, N., Vianna, J. A., & Zaher, H. 2022. The systematics of Tachymenini (Serpentes, Dipsadidae): An updated classification based on molecular and morphological evidence. Zoologica Scripta - 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.
 
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