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Systematics of the adianthidae litopterna mammalia


, : Systematics of the adianthidae litopterna mammalia. American Museum Novitates (2771): 1-25

The genera and species of previously known Adianthidae are revised with descriptions of original and more recently collected specimens. Proectocion, usually placed in the Didolodontidae, is an appropriate primitive morphotype for the family. Adiantoides and the recently described Indalecia are placed in the subfamily Indaleciinae, which includes somewhat aberrant Eocene ?adianthids. Tricoelodus, usually considered of doubtful validity and affinities, is the best known genus and is represented by a new species from the Deseadan of Bolivia in addition of the type [T. boliviensis ]. Tricoelodus, Proadiantus and Thadanius (a new monotypic genus from the Deseadan of Bolivia) form a monophyletic subgroup of Adianthidae, Thadanius being the most primitive; Adianthus may be most closely related to Proheptaconus.

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Related references

Bond, M..; Vucetich, M.G.iomar., 1983: Indalecia grandensis new genus and species from the Early Eocene of north east Argentina, the type of a new subfamily of Adianthidae Mammalia, Litopterna Indalecia grandensis gen et sp nov del Eoceno temprano del noroeste argentino, tipo de una nueva subfamilia de los Adianthidae Mammalia, Litopterna. Revista de la Asociacion Geologica Argentina. Enero-Marzo; 381: 107-117

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