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    Soft-Shelled Turtles (Trionychidae) from the Bissekty formation (Upper Cretaceous: Turonian) of Uzbekistan: Skull-Based Taxa and Probable Skull-Shell Associations

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    Date
    2013-06
    Author
    Vitek, Natasha S.
    Danilov, Igor G.
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    Abstract
    In this paper we describe previously unpublished trionychid turtle material, consisting of skull fragments, from the Late Cretaceous (late Turonian) Bissekty Formation of the Dzharakuduk locality in Uzbekistan. This material is assigned to two taxa: the skull-based Khunnuchelys kizylkumensis Brinkman et al. (1993, Can. J. Earth Sci. 30, 2214-2223) and Trionychini indet. Two specimens which cannot be confidently attributed to these two taxa are considered Trionychidae indet. In addition to these trionychid taxa known from skulls, the Dzharakuduk turtle assemblage includes at least two shell-based taxa, Aspideretoides cf. A. riabinini and "Trionyx" cf. "T." kansaiensis. For this and other Late Cretaceous localities of Middle Asia and Kazakhstan, we suggest the probable skull-shell associations of Khunnuchelys spp. with "Trionyx" kansaiensis-like forms and Trionychini indet. with Aspideretoides-like forms. (C) 2013 Elsevier Ltd. All rights reserved.
    Department
    Geological Sciences
    Subject
    testudines
    turtles
    trionychidae
    uzbekistan
    turonian
    reassessment
    testudines
    kazakstan
    nov
    geology
    paleontology
    URI
    http://hdl.handle.net/2152/41078
    Citation
    Vitek, Natasha S., and Igor G. Danilov. "Soft-shelled turtles (Trionychidae) from the Bissekty Formation (Upper Cretaceous: Turonian) of Uzbekistan: Skull-based taxa and probable skull-shell associations." Cretaceous Research 43 (Jun., 2013): 48-58.
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