REDESCRIPTION OF DITAXODON TAENIATUS (HENSEL, 1868) (SERPENTES, COLUBRIDAE, XENODONTINAE): VARIATION, RELATIONSHIPS, AND DISTRIBUTION

Robert A. Thomas; Renato S. Bérnils; Julio Cesar De Moura-Leite; Sérgio A. A. Morato

doi:10.2994/1808-9798(2006)1[94:RODTHS]2.0.CO;2

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1 August 2006 REDESCRIPTION OF DITAXODON TAENIATUS () (SERPENTES, COLUBRIDAE, XENODONTINAE): VARIATION, RELATIONSHIPS, AND DISTRIBUTION

Robert A. Thomas, Renato S. Bérnils, Julio Cesar De Moura-Leite, Sérgio A. A. Morato

Author Affiliations +

Robert A. Thomas,¹ Renato S. Bérnils,^2,* Julio Cesar De Moura-Leite,³ Sérgio A. A. Morato⁴

¹1Departments of Communications and Biological Sciences, Center for Environmental Communications, Loy
²2Departamento de Vertebrados, Museu Nacional/UFRJ, Quinta da Boa Vista s/n, Rio de Janeiro RJ, 20940
³3Laboratório de Herpetologia, Museu de História Natural Capão da Imbuia, Rua Benedito Conceição 407,
⁴4Universidade Tuiuti do Paraná, Rua Marcelino Champagnat 505, Curitiba PR, 80710-250, Brazil. E-mail

^*Corresponding author.

South American J. of Herpetology, 1(2):94-101 (2006). https://doi.org/10.2994/1808-9798(2006)1[94:RODTHS]2.0.CO;2

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Abstract

One of the rarest of the Neotropical snakes, Ditaxodon taeniatus (Hensel, 1868) is known from only 18 specimens (including the holotype which has been lost). In this paper, we redescribe the species, designate a neotype, and discuss variation in morphology and color patterns. Its distribution appears to be discontinuous: it has been recorded only from the Brazilian states of Rio Grande do Sul, Paraná, São Paulo and Mato Grosso do Sul. The little we know of the natural history of Ditaxodon indicates that it is grassland savanna dwelling, terrestrial, and oviparous. Its allocation to the xenodontine colubrid Tribe Philodryadini is supported.

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Robert A. Thomas, Renato S. Bérnils, Julio Cesar De Moura-Leite, and Sérgio A. A. Morato "REDESCRIPTION OF DITAXODON TAENIATUS () (SERPENTES, COLUBRIDAE, XENODONTINAE): VARIATION, RELATIONSHIPS, AND DISTRIBUTION," South American Journal of Herpetology 1(2), 94-101, (1 August 2006). https://doi.org/10.2994/1808-9798(2006)1[94:RODTHS]2.0.CO;2

Received: 6 July 2006; Accepted: 1 August 2006; Published: 1 August 2006

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South American Journal of Herpetology

South American Journal of Herpetology
Vol. 1 • No. 2
August 2006

KEYWORDS

Brazil

Colubridae

Ditaxodon taeniatus

natural history

Serpentes

taxonomy

Xenodontinae

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Robert A. Thomas, Renato S. Bérnils, Julio Cesar De Moura-Leite, Sérgio A. A. Morato "REDESCRIPTION OF DITAXODON TAENIATUS () (SERPENTES, COLUBRIDAE, XENODONTINAE): VARIATION, RELATIONSHIPS, AND DISTRIBUTION," South American Journal of Herpetology, 1(2), 94-101, (1 August 2006)

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