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Showing 1 to 4 of 4 for “"Serpentes, Colubridae"”.
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Revisão taxonômica de Dipsas Laurentis, 1768 (Serpentes, Colubridae) de ocorrência na Mata Atlântica
The taxonomic revision of Dipsas from the Atlantic forest Is given based on morphological and hemipennial data as well as on geographical distribution. The involved species are: Dipsas albifrons (Sauvage, 1884), D. catesby (Sentzen, 1796), D. incerta (Jan, 1863), D. petersi Hoge & Romano, 1975, D. …
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An Ultrastructural Survey of the Nuchal Glands of <i>Rhabdophis tigrinus</i> (Serpentes: Colubridae)
<p><em>Rhabdophis tigrinus</em>, an Asian natricine snake, possesses a series of integumentary glands located in the nuchal skin. Previous studies indicated that the nuchal glands are of mesodermal origin, contain cardiac steroids analogous to bufotoxins found in the parotoid glands of toads, which …
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Taxonomia e distribuição geográfica das subespécies brasileiras de Erythrolamprus aesculapii (Linnaeus, 1758) (Serpentes, Colubridae)
Populations of Erythrolamprus aesculapii from different Brazilian morfoclimatic domains were analyzed to carry out a taxonomic review. At present, three subspecies of E. aesculapii are recognized in Brazil. Scales counting and number of body rings were studied with analysis of variance. Patterns of …
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DETECTION AND OCCURRENCE OF NERODIA HARTERI (SERPENTES: COLUBRIDAE) IN AN UPPER PORTION OF THE BRAZOS RIVER WATERSHED
<p>Semiaquatic snakes are disproportionately impacted by habitat alteration adjacent to wetlands because of their reliance on both terrestrial and aquatic habitats. Brazos River Watersnakes, <em>Nerodia harteri</em>, are endemic natricines with one of the most restricted geographic ranges in North …