| 词条 | Xenodontinae |
| 释义 |
| image = Lystrophis dorbignyi.jpg | image_caption = A xenodontine snake, Xenodon dorbignyi | taxon = Xenodontinae | authority = Cope, 1895[1] }}Xenodontinae is a subfamily of snakes in the family Dipsadidae.[2] The subfamily Xenodontinae encompasses a number of rear-fanged (opisthoglyphous), mildly venomous snake genera found in South America and the Caribbean. Members of the subfamily Xenodontinae are by definition closer relatives to the genus Xenodon than they are to the genus Dipsas. Some authors consider Xenodontinae and Dipsadinae to be synonymous. If the two names are used synonymously, then Dipsadinae is the correct name because it is older.[3] Genera{{columns-list|colwidth=15em|
}} When used as a subfamily of Dipsadidae, Xenodontinae does not include genera placed in the subfamily Dipsadinae (e.g. Dipsas, Sibon, Coniophanes, Atractus, Geophis, Hypsiglena, Imantodes, Leptodeira, Ninia, Rhadinaea, Urotheca) nor the North American relict genera (Heterodon, Farancia, Diadophis, Carphophis, Contia), nor the Asian genus Thermophis, because these are too distantly-related to Xenodon.[2] References{{More citations needed|date=March 2009}}1. ^"Xenodontinae". ITIS (Integrated Taxonomic Information System). www.itis.gov. 2. ^1 {{cite journal|last1=Zaher|first1=H.|last2=Grazziotin|first2=F. G.|last3=Cadle|first3=J. E.|last4=Murphy|first4=R. W.|last5=Moura-Leite|first5=J. C.|last6=Bonatto|first6=S. L.|title=Molecular phylogeny of advanced snakes (Serpentes, Caenophidia) with an emphasis on South American Xenodontines: A revised classification and descriptions of new taxa|journal=Papéis Avulsos de Zoologia (Sao Paulo)|date=2009|volume=49|pages=115–153|url=http://www.scielo.br/scielo.php?pid=S0031-10492009001100001&script=sci_arttext}} 3. ^{{cite journal|last1=Pyron|first1=R. A.|last2=Burbrink|first2=F. T.|last3=Colli|first3=G. R.|last4=De Oca|first4=A. N. M.|last5=Vitt|first5=L. J.|last6=Kuczynski|first6=C. A.|last7=Wiens|first7=J. J.|title=The phylogeny of advanced snakes (Colubroidea), with discovery of a new subfamily and comparison of support methods for likelihood trees|journal=Molecular Phylogenetics and Evolution|date=2011|volume=58|issue=2|pages=329–342|doi=10.1016/j.ympev.2010.11.006|url=http://www.wienslab.com/Publications_files/Pyron_et_al_2011.pdf|quote="Finally, we follow Zaher et al. (2009) in using the name Dipsadinae (Bonaparte, 1840) to refer to Xenodontinae (Bonaparte, 1845) of Lawson et al. (2005) and previous authors, based on priority."}} }}{{commons category|Dipsadidae}}{{Taxonbar|from=Q2655450}}{{Colubrids-stub}} 2 : Tetrapod subfamilies|Dipsadidae |
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