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Karyotypes of the North American parthenogenetic whiptail lizard Aspidoscelis velox, and return of Aspidoscelis innotatus to the synonymy of A. velox (Reptilia, Squamata, Teiidae). (American Museum novitates, no. 3936)

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dc.contributor.author Cole, Charles J.
dc.contributor.author Cordes, James E.
dc.contributor.author Walker, James M. (James Martin)
dc.date.accessioned 2019-08-28T19:34:00Z
dc.date.available 2019-08-28T19:34:00Z
dc.date.issued 2019-08-30
dc.identifier.uri http://digitallibrary.amnh.org/handle/2246/6958
dc.description 7 pages, 1 unnumbered page : illustrations (some color) ; 26 cm. en_US
dc.description.abstract Aspidoscelis velox is a triploid parthenogenetic species with clonal inheritance. We studied karyotypes of population samples representing diverse localities from much of its range. All specimens were triploids, but six different karyotypes were found with small differences among them, apparently resulting from chromosomal mutations that occurred after the origin of the species. As in other parthenogens, karyotypes and allozymes reveal variant clones in A. velox, but we do not recommend naming any of these genetic lineages as separate species. Specimens from the vicinity of Kanab, Kane County, Utah, have been treated by other herpetologists as a separate but morphologically similar species, Aspidoscelis innotatus, based on the assumption that they represented a diploid species. That assumption, made without any genetic evidence of ploidy, was recently based on evidence of histoincompatibility among certain population samples, but that could have been caused by factors other than ploidy (e.g., mutations at histocompatibility loci). We have examined specimens from Kane County, Utah, and all individuals were triploids similar to other population samples of A. velox from Arizona and New Mexico. en_US
dc.language.iso en_US en_US
dc.publisher American Museum of Natural History. en_US
dc.relation.ispartofseries American Museum novitates;no.3936.
dc.subject Aspidoscelis velox. en_US
dc.subject Aspidoscelis velox -- Genetics. en_US
dc.subject Aspidoscelis -- Nomenclature. en_US
dc.subject Karyotypes. en_US
dc.subject Parthenogenesis in animals. en_US
dc.subject Teiidae. en_US
dc.subject Lizards. en_US
dc.subject Kanab Region (Utah) en_US
dc.subject Utah. en_US
dc.subject Southwest, New. en_US
dc.title Karyotypes of the North American parthenogenetic whiptail lizard Aspidoscelis velox, and return of Aspidoscelis innotatus to the synonymy of A. velox (Reptilia, Squamata, Teiidae). (American Museum novitates, no. 3936) en_US
dc.title.alternative Karyotypes of Aspidoscelis velox. en_US


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  • American Museum Novitates
    Novitates (Latin for "new acquaintances"), published continuously and numbered consecutively since 1921, are short papers that contain descriptions of new forms and reports in zoology, paleontology, and geology. New numbers are published at irregular intervals.

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