期刊
ZOOTAXA
卷 3785, 期 3, 页码 469-480出版社
MAGNOLIA PRESS
DOI: 10.11646/zootaxa.3785.3.8
关键词
Andes; Hemipenis; Neotropical Snakes; Philodryadini; taxonomy
类别
资金
- Fundacao de Amparo Pesquisa do Estado de Sao Paulo (BIOTA/FAPESP) [2011/50206- 9]
- Conselho Nacional de Desenvolvimento Cientfico e Tecnologico (CNPq) [565046/2010-1, 303545/2010-0, 2008/52781-5]
- Coordenacao de Aperfeicoamento de Pessoal de N vel Superior ( CAPES)
- Fundacion Herpetologica Gustavo Orces (FHGO) and Secretar a Nacional de Ciencia y Tecnolog a (SENESCYT) [PIC-08-000047]
We describe a new species of Philodryas from the highlands of southern Ecuador. The new species is distinguished from all known species of Philodryas by a unique combination of coloration, scalation, and hemipenial characters. The new species resembles Philodryas simonsii in color pattern. However, they differ notoriously by their hemipenial morphology. The three other trans-Andean members of the genus (Philodryas simonsii, Philodryas chamissonis, and Philodryas tachymenoides), along with the new species, compose a probably monophyletic group that may be characterized by the presence of ungrooved postdiastemal teeth in the maxilla. Unlike most species of the genus Philodryas, the new species shows a restricted distribution, being apparently endemic to a small region of high-altitude (3150-4450m) grasslands in the southern Andes of Ecuador.
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