descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2021 English Publisher:National Museum, Czech RepublicJournal:Fossil Imprint, volume 77, pages 126-144 (issn: 2533-4050, eissn: 2533-4069,

Authors: Morales, Jorge; Fejfar, Oldrich; Heizmann, Elmar; Wagner, Jan; Valenciano Vaquero, Alberto; Abella, Juan;

doi: 10.37520/fi.2021.011

The Amphicyoninae (Amphicyonidae, Carnivora, Mammalia) of the early Miocene from Tuchořice, the Czech Republic

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Abstract

The Amphicyoninae of the early Miocene from the locality of Tuchořice, the Czech Republic, are represented by three species. Two of them are classified within the tribe Amphicyonini: Paludocyon bohemicus (Schlosser, 1899) as the type species of Paludocyon n. gen., and a large-sized amphicyonid determined as Megamphicyon carnutense (Antunes et Ginsburg, 1977). Dehmicyon n. gen. aff. schlosseri is determined by two small teeth. This new genus has been proposed for the species Amphicyon schlosseri Dehm, 1950 from Wintershof-West and is tentatively included in the tribe Pseudarctini nov. together with the genera Ictiocyon and Pseudarctos. This association of Amphicyoninae provides valuable information on the taxonomy and systematics of this subfamily during the early Miocene, at which time important environmental changes were taking place in Europe, which undoubtedly affected the evolution of Amphicyonidae.

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Keywords

Europe, Early Miocene, Systematics, Amphicyoninae, Amphicyonidae

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Text-fig. 1. Bivariate diagram of length and width of the upper dentition of selected European small and middle size Amphicyoninae compared with the Tuchořice specimens. a: P4; b: M1; c: M2; d: m1; e: m2. Data from Schlosser (1899, 1904), Thenius (1949), Dehm (1950), Heizmann (1973), Ginsburg (1977, 1989), Peigné (2012). Dotted line – ranges of maximum and minimum values from the average of teeth of Cynelos lemanensis from Ulm (Peigné and Heizmann 2003). Abbreviations: L – length; W – width. in The Amphicyoninae (Amphicyonidae, Carnivora, Mammalia) Of The Early Miocene From Tuchořice, The Czech Republic
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