Related bibliographies:
Reptiles
 Snakes
 Colubridae
South America
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Bibliography of the genus
Helicops (South American Keelbacks)
(Reptilia: Serpentes: Colubridae)
Note:
In order to limit redundancy, relevant literature indexed in the related bibliographies in the left column may not have been included in this page. For a comprehensive search of literature, these bibliographies should therefore also be consulted.
Helicops in general
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Cadle, J.E. 1984. Molecular systematics of Neotropical xenodontine snakes. 1. South American xenodontines. Herpetologica 40(1): 8-20.
Greer, A.E. 1966. Viviparity and oviparity in the snake genera Conopsis, Toluca, Gyalopion and Ficimia with comments on Tomodon and Helicops. Copeia 1966: 371-373.
Rossman, D.A. 1976. Revision of the South American colubrid snakes of the Helicops pastazae complex. Occasional Papers Museum of Zoology Louisiana State University 50: 1-15.
Roze, J.A. 1957. Notas aobre Hydrops lehmanni Dunn, 1944, y los generos neotropicales: Pseudoeryx, Hydrops y Helicops (Colubridae). Acta Biologica Venezuelica 2(3): 17-26.
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Helicops angulatus
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Albuquerque, R.L. de; Laranjeiras, D.O.; Santos, P.A. dos; Santana, D.J.; Rodrigues, R.; Oliveira-Mesquita, D.; França, F.G.R. 2013. Natural history notes: Helicops angulatus (Watersnake). Diet. Herpetological Review 44(3): 522-523.
Aponte-Gutiérrez, A.F.; Parra-Torres, F.; Velásquez-Suarez, A.J. 2017. Helicops angulatus (Linnaeus 1758). Mapaná de Agua. Catálogo de Anfibios y Reptiles de Colombia 3(1): 62-66.
Borges-Nojosa, D.M.; Dourado de Mesquita, P.C.M.; Fernandes-Ferreira, H. 2008. Geographic distribution: Helicops angulatus (Water's Snake). Brazil: Ceara. Herpetological Review 39(4): 485.
Carvalho Teixeira, C. de; Assis Montag, L.F. de; Santos-Costa, M.C. dos 2017. Diet composition and foraging habitat use by three species of water snakes, Helicops Wagler, 1830, (Serpentes: Dipsadidae) in eastern Brazilian Amazonia. Journal of Herpetology 51(2): 215–222.
Cisneros-Heredia, D.F. 2006. Reptilia, Colubridae, Helicops angulatus and Helicops leopardinus: distribution extension, new country record. Check List 2(1): 36-37.
Costa-Campos, C.E.; Esteves Silva, P.H.; Santos Guerra, L.E.; Cleiton Sousa, J. 2017. Predation on the brilliant-thighed poison frog Allobates femoralis (Aromobatidae) by the Amazonian water snake Helicops angulatus (Dipsadidae). Herpetology Notes 10: 665-667.
Crnobrna, B.; Armes, M.; Williams, H.F. 2016. Natural history notes: Drepanoides anomalus (Amazone Egg-eating Snake). Diet / ophiophagy. Herpetological Review 47(3): 478.
Estrella, A.; Rodríguez-Torres, A.; Serna, L.; Navarrete, L.F.; Rodríguez-Acosta, A. 2011. Is the South American Water Snake Helicops angulatus (Linnaeus, 1758) (Dipsadidae: Xenodontinae) venomous? Herpetotropicos 5(2): 79-84.
Ford, N.B.; Ford, D.F. 2002. Notes on the ecology of the South American Water Snake Helicops angulatus (Squamata: Colubridae) in Nariva Swamp, Trinidad. Caribbean Journal of Science 38(1-2): 129-132.
França, R.C.; Sampaio, I.L.R.; França, F.G.R. 2018. Natural history notes: Helicops angulatus (Brown-banded Watersnake). Plastic ingestion. Herpetological Review 49(2): 342-343.
Guimaraes, J.A.R.; Reis Dias, E.J. dos; Vilela, L.C.; Oliveira, A.R. 2010. Natural history notes: Helicops angulatus (Watersnake). Diet and reproduction. Herpetological Review 41(1): 93.
Henderson, R.W.; Nickerson, M.A.; Ketcham, S. 1976. Short term movements of the snakes Chironius carinatus, Helicops angulatus and Bothrops atrox in Amazonian Peru. Herpetologica 32(3): 304-310.
Infante-Rivero, E.E.; Natera-Mumaw, M.; Marcano, A. 2008. Extension of the distribution of Eunectes murinus (Linnaeus, 1758) and Helicops angulatus (Linnaeus, 1758) in Venezuela, with notes on Ophiophagia. Herpetotropicos 4(1) 2007(2008): 39.
Kaefer, I.L.; Montanarin, A. 2011. Natural history notes: Helicops angulatus (South American Watersnake). Diet. Herpetological Review 42(2): 291.
Koski, D.A.; Mônico, A.T.; Koski, A.P.V. 2016. Natural history notes: Helicops angulatus (Brown-banded Watersnake). Predation. Herpetological Review 47(3): 478-479.
Leao, S.M.; Albuquerque Brandao, R. 2012. Natural history notes: Helicops angulatus (Watersnake). Predation. Herpetological Review 43(3): 493.
Mendes-Júnior, R.N.G.; Vasconcelos, H.C.G.; Goncalves, T.S.; Fraga, R. de 2013. Natural history notes: Helicops angulatus (Brown-banded Watersnake). Diet / scavenging. Herpetological Review 44(2): 330.
Roberto, I.J.; Ribeiro, S.C.; Sousa Delfino, M.M. de; Almeida, W.O. 2009. Reptilia, Colubridae, Helicops angulatus: distribution extension and rediscovery in the state of Ceara. Check List 5(1): 118-121.
Rocha, R.; López-Baucells, A. 2014. Predation attempt of Hypsiboas boans (Anura: Hylidae) by Helicops angulatus (Squamata: Dipsadidae) with notes on defensive behavior. Alytes (Paris) 30(1-4): 78-81.
Rossman, D.A. 1984. Life history notes: Helicops angulatus (South American Water Snake). Reproduction. Herpetological Review 15(2): 50.
Silva, N.J. da; Souza, I.F.E.; Vaz Silva, W.; Silveira Ribeiro, R.; Costa, M.C. da; Valle, N. do; Rodrigues Silva, H.L. 2003. Natural history notes: Helicops angulatus (Water-snake). Diet. Herpetological Review 34(1): 68.
Yuki, R.N.; Santos, R.M. dos 1998. Snakes from Marajo and Mexiana islands, Para State, Brazil. Boletim do Museu Paraense Emilio Goeldi (Zoologia) 12(1) [1996]: 41-53.
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Helicops apiaka
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Kawashita-Ribeiro, R.A.; Ávila, R.W.; Morais, D.H. 2013. A new snake of the genus Helicops Wagler, 1830 (Dipsadidae, Xenodontinae) from Brazil. Herpetologica 69(1): 80-90.
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Helicops carinicaudus
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Almeida-Santos, S.M. de; Siqueira, R.; Zani Coeti, R.; Cavalheri, D.; Trevine, V. 2015. The sexual attractiveness of the corpse bride: unusual mating behaviour of Helicops carinicaudus (Serpentes: Dipsadidae). Herpetology Notes 8: 643-647.
Hofstadler-Deiques, C.; Zanini-Cechin, S. 1991. O status de Helicops carinicaudus (Wied, 1825) (Serpentes: Colubridae). Acta Biologica Leopoldensia 12(2) [1990]: 313-325.
Lema, T. de 1958. Notas sôbre os répteis do Estado do Rio Grande do Sul, Brasil. II. Nota prévia sôbre a espécie de colubrideo aquatico Helicops carinicauda (Wied. 1825). Iheringia (Zoologia) 10: 19-24.
Lema, T. de 1958. Notas sôbre os répteis do Estado do Rio Grande do Sul, Brasil. III. Bicefalia om Helicops carinicauda (Wied, 1825). Iheringia (Zoologia) 10: 25-27.
Lema, T. de 1961. Notas sôbre os répteis do estado do Rio Grande do Sul, Brasil. IX. Presenca de Helicops carinicauda carinicauda (Wied) no estado do Rio Grande do Sul (Serpentes: Colubridae). Iheringia (Zoologia) 17: 7-10.
Melgarejo, A.R.; Meneghel, M.D. 1980. A note on defensive behaviour in Helicops carinicaudus (Wied, 1825) (Serpentes: Colubridae). Contribuciones en Biologia Centro Educativo Don Orione 3: 3-6.
Skuk, G. 1980. Comunicacion preliminar sobre la biologia de Helicops carinicaudus en la Rep. O. del Uruguay (Serpentes: Colubridae). Resumenes y Comunicaciones de las Jornadas de Ciencias Naturales (Montevideo) 1: 99-100.
Yuki, R.N.; Lema, T. de 2005. Analise comparativa entre as cobras d'agua meridionais (Helicops carinicaudus (Wied, 1825) e Helicops infrataeniatus Jan, 1865), com a descriçao do cranio e hemipenis (Serpentes: Colubridae: Xenodontinae). Comunicacoes do Museu de Ciencias e Tecnologia da PUCRS Serie Zoologia 18(2): 85-128.
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Helicops danieli
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Rossman, D.A. 2003. Morphological variation in the endemic Colombian Water Snake, Helicops danieli Amaral, 1937 (Serpentes, Xenododontidae). Revista de la Academia Colombiana de Ciencias Exactas Fisicas y Naturales 26(101): 589-594.
Yuki, R.N. 1994. Sobre Helicops danieli Amaral, 1937, com a descricao do hemipenis (Serpentes, Colubridae, Xenodontinae). Boletim do Museu Paraense Emilio Goeldi (Zoologia) 10(2): 203-209.
Yuki, R.N.; Castano, O.V. 1998. Geographic distribution note of water-snake Helicops danieli Amaral, 1937 (Colubridae: Xenodontinae). The Snake 28(1-2): 90-92.
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Helicops gomesi
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Amaral, A. do 1922. Contribuição para o conhecimento dos ofidios do Brazil. I. Quatro noves espécies de serpentes brasileires. Anex. Mem. Inst. Butantan S. Paulo Sec. Ofiologia 1: 1-88.
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Helicops hagmanni
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Carvalho Teixeira, C. de; Assis Montag, L.F. de; Santos-Costa, M.C. dos 2017. Diet composition and foraging habitat use by three species of water snakes, Helicops Wagler, 1830, (Serpentes: Dipsadidae) in eastern Brazilian Amazonia. Journal of Herpetology 51(2): 215–222.
Lima Moraes, L.J.C. de; Fraga, R. de 2015. Climbing behavior in the aquatic snake Helicops hagmanni Roux 1910 (Serpentes: Dipsadidae). Herpetology Notes 8: 19-20.
Paolillo-O., A. 1986. Geographic distribution: Helicops hagmanni (Mapanare de Agua). Herpetological Review 17(2): 49.
Rodrigues, G.M.; Maschio, G.F.; Prudente, A.L.C. 2016. Snake assemblages of Marajo Island, Para state, Brazil. Zoologia 33(1): e20150020.
Rossman, D.A. 1975. Redescription of the South American colubrid snake Helicops hagmanni Roux. Herpetologica 31(4): 414-418.
Sturaro, M.J.; Gomes, J.O. 2008. Feeding behavior of the Amazonian Water Snake Helicops hagmanni Roux, 1910 (Reptilia: Squamata: Colubridae: Hydropsini). Boletim do Museu Paraense Emilio Goeldi Ciencias Naturais 3(3): 225-228.
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Helicops infrataeniatus
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Aguiar, L.F.S.; Di-Bernardo, M. 2004. Diet and feeding behavior of Helicops infrataeniatus (Serpentes: Colubridae: Xenodontinae) in southern Brazil. Studies on Neotropical Fauna and Environment 39(1): 7-14.
Aguiar, L.F.S.; Di-Bernardo, M. 2005. Reproduction of the Water Snake Helicops infrataeniatus (Colubridae) in southern Brazil. Amphibia-Reptilia 26(4): 527-533.
Bonfiglio, F.; Lema, T. de 2007. Ofiofagia em Liophis miliaris (Serpentes, Colubridae). Biociencias 14(2) 2006(2007): 221-222.
Cost Feltrim, A.; Zanini Cechin, S.C. 2000. Natural history notes: Helicops infrataeniatus (NCN). Diet. Herpetological Review 31(1): 46.
Franz, I.; Rhizoni, I.R.; Albuquerque, J.L.B.; Barcellos, A.; Britz Hassdenteufel, C.; Lohman Arend, F.; Martins-Ferreira, C. 2007. Predaçao da Cobra D'agua Helicops infrataeniatus (Serpentes, Colubridae) pela maria-faceira Syrigma sibilatrix (Aves, Ardeidae) no sul do Brasil. Biotemas 20(2): 135-137.
Grilo, C.; Resende Cardoso, T. de; Solar, R.; Bager, A. 2016. Do the size and shape of spatial units jeopardize the road mortality-risk factors estimates. Natureza & Conservacao 14(1): 8-13.
Landgref-Filho, P.; Aoki, C. 2011. Geographic distribution: Helicops infrataeniatus (Water Snake). Herpetological Review 42(3): 394.
Leitao de Araujo, M.L.; Ely, L.A.M. 1980. Incidencia sazonal de Helicops carinicaudus infrataeniatus (Jan, 1865) e Philodryas patagoniensis patagoniensis (Girard, 1857) no Estado do Rio Grande do Sul, Brasil (Ophidia-Colubridae). Iheringia Serie Zoologia 55: 87-106.
Martins, I.A.; Duarte, M.R. 2003. Natural history notes: Physalaemus nattereri (NCN). Predation. Herpetological Review 34(3): 233.
Oliveira, R.B. de; Pontes, G.M.F.; Solé, M.; Di-Bernardo, M.; Martins, M.B. 2004. Natural history notes: Lystrophis dorbignyi (Nariguda) and Helicops infrataeniatus (Cobra-d'Agua). Predation. Herpetological Review 35(1): 70-71.
Pietro, D.O. di; Alcalde, L.; Williams, J.D. 2014. New cranial characters in the tribe Hydropsini (Serpentes: Dipsadidae: Xenodontinae). Acta Herpetologica 9(1): 1-14.
Regnet, R.A.; Quintela, F.M.; Entiauspe-Neto, O.M.; Teixeira, V.H.; Silveira, F.L.; Loebmann, D. 2017. Remarkable aggregation of squamates and caecilians associated with flood events during El Niño in southern Brazil Salamandra 53(4): 537-540.
Rossman, D.A. 2000. Identity of the snake Calopisma septemvittatum Fischer, 1879, and redescription of the lectotype of Helicops infrataeniatus Jan, 1865. Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut 97: 123-129.
Santos Costa, M.C. dos; Hofstadler Deiques, C. 2002. The ethmoidal region and cranial adaptations of the neotropical aquatic snake Helicops infrataeniatus Jan, 1865 (Serpentes, Colubridae). Amphibia-Reptilia 23(1): 83-91.
Vanzolini, P.E. 1953. On the type locality of some Brazilian reptiles and amphibians collected by H.H. Smith and described by E.D. Cope. Copeia 1953: 124-125.
Yuki, R.N.; Lema, T. de 2005. Analise comparativa entre as cobras d'agua meridionais (Helicops carinicaudus (Wied, 1825) e Helicops infrataeniatus Jan, 1865), com a descriçao do cranio e hemipenis (Serpentes: Colubridae: Xenodontinae). Comunicacoes do Museu de Ciencias e Tecnologia da PUCRS Serie Zoologia 18(2): 85-128.
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Helicops leopardinus
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Avila, R.W.; Ferreira, V.L.; Arruda, J.A.O. 2006. Natural history of the South American Water Snake Helicops leopardinus (Colubridae: Hydropsini) in the Pantanal, central Brazil. Journal of Herpetology 40(2): 274-279.
Baía, R.R.J.; Costa-Campos, C.E.; Silva e Silva, Y.B.; Melo Furtado, M.F.; Vaz, J.C. 2015. Natural history notes: Helicops leopardinus (Watersnake). Diet. Herpetological Review 46(2): 274.
Cisneros-Heredia, D.F. 2006. Reptilia, Colubridae, Helicops angulatus and Helicops leopardinus: distribution extension, new country record. Check List 2(1): 36-37.
Costa-Campos, C.E.; Silva e Silva, Y.B.; Baía, R.R.J.; Júnior, H.R.M.P.; Nery Sampaio, P.G.; Vasconcelos, H.G. 2015. Natural history notes: Helicops leopardinus (Watersnake). Diet. Herpetological Review 46(2): 274.
Pietro, D.O. di; Alcalde, L.; Williams, J.D. 2014. New cranial characters in the tribe Hydropsini (Serpentes: Dipsadidae: Xenodontinae). Acta Herpetologica 9(1): 1-14.
Scartozzoni, R.R.; Almeida-Santos, S.M. de 2006. Helicops leopardinus (Water Snake): reproduction. Herpetological Bulletin 97: 39-40.
Tavares-Pinheiro, R.; Rente, R.; Sousa, J.C.; Sanches, P.R.; Costa-Campos, C.E. 2018. Natural history notes: Helicops leopardinus (Watersnake). Scavenged by freshwater crab. Herpetological Review 49(4): 753-754.
Yanosky, A.A.; Dixon, J.R.; Mercolli, C. 1996. Ecology of the snake community at El Bagual Ecological Reserve, northeastern Argentina. Herpetological Natural History 4(2): 97-109.
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Helicops modestus
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Costa, H.C.; Pezzuti, T.L.; Fortes Leite, F.S.; Cientifuegos, C. 2009. Helicops modestus (Water Snake): prey. Herpetological Bulletin 109: 35-36.
Freitas, M.A. de; Silva, T.F.S. 2011. Geographic distribution: Helicops modestus. Herpetological Review 42(3): 394.
Oliveira, L. de; Scartozzoni, R.R.; Almeida-Santos, S.M. de; Jared, C.; Antoniazzi, M.M.; Graça Salomão, M. da 2016. Morphology of Duvernoy's Glands and maxillary teeth and a possible function of the Duvernoy's Gland secretion in Helicops modestus Günther, 1861 (Serpentes: Xenodontinae). South American Journal of herpetology 11(1): 54-65.
Rocha-Barbosa, O.; Moraes e Silva, R.B. 2009. Analysis of the microstructure of Xenodontinae snake scales associated with different habitat occupation strategies. Brazilian Journal of Biology 69(3): 919-923.
Sazima, I. 2007. Like an earthworm: chalk-browed mockingbird (Mimus saturninus) kills and eats a juvenile watersnake. Revista Brasileira de Ornitologia 15(3): 470-471.
Sazima, I.; Martins, M. 1990. Presas grandes e serpentes jovens: quando os olhos sao maiores que a boca. Memorias do Instituto Butantan (Sao Paulo) 52(3): 73-79.
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Helicops nentur
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Costa, H.C.; Santana, D.J.; Leal, F.; Koroiva, R.; García, P.C.A. 2016. A new species of Helicops (Serpentes: Dipsadidae: Hydropsini) from southeastern Brazil. Herpetologica 72(2): 157-166.
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Helicops pastazae
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Lourdes Almendariz, A. de 2017. Feeding behavior of Helicops pastazae Shreve 1934 (Serpentes, Colubridae, Dipsadinae) in the Ecuadorian Amazon. Herpetology Notes 10: 449-451.
Markezich, A.L.; Rossman, D.A. 1992. Geographic distribution: Helicops pastazae (NCN). Venezuela: Estado Portuguesa. Herpetological Review 23(4): 124.
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Helicops polylepis
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Carvalho Teixeira, C. de; Assis Montag, L.F. de; Santos-Costa, M.C. dos 2017. Diet composition and foraging habitat use by three species of water snakes, Helicops Wagler, 1830, (Serpentes: Dipsadidae) in eastern Brazilian Amazonia. Journal of Herpetology 51(2): 215–222.
Costa, G.C.; Mesquita, D.O.; Franca, F.G.R. 2005. Natural history notes: Crocodilurus amazonicus (Jacarerana). Diet. Herpetological Review 36(2): 174-175.
Flores, E.; Jadin, R.C.; Orlofske, S.A. 2010. Natural history notes: Helicops polylepis (Norman's Keelback). Diet and intraspecific competition. Herpetological Review 41(1): 93-94.
Santos, A.P. dos; Ribeiro, F.R.V. 2005. Dimorfismo sexual em uma prole da Cobra-d'Agua Helicops polylepis Günther, 1861 (Serpentes: Colubridae) do oeste do estado do Para, Brasil, com comentarios sobre o periodo reprodutivo. Comunicacoes do Museu de Ciencias e Tecnologia da PUCRS Serie Zoologia 18(1): 67-71.
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Helicops scalaris
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Barros, T.; Lopez, J.C.; Cruz-Alvarado, M. 2001. Natural history notes: Helicops scalaris (Guata). Reproduction. Herpetological Review 32(1): 47.
Lancini, A.R. 1964. Contribucion al conocimiento de la distribucion en Venezuela de Helicops scalaris y descripcion de Helicops hogei (Serpentes: Colubridae), nueva especie de serpiente semiacuatica para la ciencia. Publ. ocas. Mus. Cienc. nat. Caracas (Zool.) 7: 1-3.
Perez Bravo, G. 1978. Segundo hallazgo de Helicops hogei Lancini, 1964 (Serpentes: Colubridae). Memorias do Instituto Butantan (Sao Paulo) 40-41 [1976-1977]: 313-315.
Rossman, D.A. 2002. Variation in the xenodontid Water Snake Helicops scalaris Jan, and the status of H. hogei Lancini. Occasional Papers of the Museum of Natural Science Louisiana State University 78: 1-19.
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Helicops tapajonicus
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Frota, J.G. da 2005. Nova espécie de Helicops Wagler, 1830 (Serpentes, Colubridae) do rio Tapajós, Amazônia, Brazil. Phyllomedusa 4(1): 61-67.
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Helicops trivittatus
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Oliveira, D.S.; Silva, A.V.; Santos, R.C.; Barriga, J.V.M.; Gabriel, R.C.; Costa-Campos, C.E. 2015. Geographic distribution: Helicops trivittatus (Striped Water Snake). Herpetological Review 46(2): 219.
Rossman, D.A. 2010. Morphological variation in the Striped Water Snake Helicops trivittatus (Gray, 1849) (Reptilia: Serpentes: Xenodontidae) of eastern Amazonia. Boletim do Museu Paraense Emilio Goeldi Ciencias Naturais 5(3): 271-278.
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Helicops yacu
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Rossman, D.A.; Abe, A.S. 1979. Comments on the taxonomic status of Helicops yacu (Serpentes: Colubridae). Proceedings of the Louisiana Academy of Sciences 42: 7-9.
Rossman, D.A.; Dixon, J.R. 1975. A new colubrid snake of the genus Helicops from Peru. Herpetologica 31(4): 412-414.
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