New dental elements of the oldest proviverrine mammal from the early Eocene of Southern France support possible African origin of the subfamily

• Autorzy: Sole F. , Smith T. , Tabuce R. , Marandat B.
• Języki publikacji: EN

Abstrakty

EN

Here we describe and illustrate specimens of hyaenodont mammals from two early Eocene localities of Southern France: Fournes (Minervois) and Fordones (Corbieres). Some of these specimens were previously described as cf. Hyracolestes sp. (Cimolesta, Sarcodontidae), a taxon only known from Asia, but new arguments allow their referring to the small proviverrine hyaenodont Parvagula palulae which was previously only recorded in Palette (Provence). The material notably includes the oldest p4 ever recorded for the European endemic subfamily Proviverrinae. This new material shows that, by the beginning of the early Eocene, proviverrines already displayed their typical combination of dental features characterized by the presence of a large paraconid and entoconid on p4. The comparison between the earliest European proviverrines and sinopines (a mostly North American radiation) supports the divergence of the two subfamilies by this time. Moreover, the early proviverrines are morphologically similar to the African hyaenodont Tinerhodon (late Paleo-cene). Consequently, the history of the European proviverrines is likely rooted in Africa. Finally, the new specimens support a similar age for the localities of Palette and Fordones, and a younger age for Fournes. Due to the ages of these localities Parvagula palulae must be regarded as the oldest proviverrine.

• Wydawca: -
• Czasopismo: Acta Palaeontologica Polonica
• Rocznik: 2015
• Tom: 60
• Numer: 3
• Opis fizyczny: p.527-538,fig.,ref.

Twórcy

autor

Sole F.

• D.O. Earth and History of Life, Royal Belgian Institute of Natural Sciences, Rue Vautier 29, B-1000 Brussels, Belgium

autor

Smith T.

• D.O. Earth and History of Life, Royal Belgian Institute of Natural Sciences, Rue Vautier 29, B-1000 Brussels, Belgium

autor

Tabuce R.

• Institut des Sciences de l'Evolution (UM2, CNRS, IRD), cc64, Universite Montpellier 2, Place Eugene Bataillon, F-34095 Montpellier Cedex 05, France

autor

Marandat B.

• Institut des Sciences de l'Evolution (UM2, CNRS, IRD), cc64, Universite Montpellier 2, Place Eugene Bataillon, F-34095 Montpellier Cedex 05, France

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Identyfikatory

DOI

10.4202/app.00146.2014