February 1981
Vol. 10, Fasc. 2
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Print ISSN: 0031-0247
Online ISSN: 2274-0333
Frequency: biannual

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Palaeovertebrata Vol. 10, Fasc. 2:February 1981

Table of contents


Les mammifères de Rians (Eocène inférieur, Provence)
Marc Godinot
Keywords: Eocene; Mammals; Provence; Rians

    The fossil mammals discovered in the quarry of Rians (Sparnacian, Provence) are described. Among these forms, Hyracotherium is interesting because of the little molarization of the lower premolars and its small size, and Diacodexis by its small size and very primitive astragalus ; they may be the most primitive representatives of their respective orders. Also, Proviverra eisenmanni n. sp. is the smallest and most primitive hyaenodontid yet described. Hyopsodus itinerans is the first species of this genus described France. Among other rare fossils is a new species of bat, a small palaeoryctid, and other forms not yet identified. Marsupials are varied. Several new species are present among the rodents. The fauna is well-balanced and rich in small hyopsodontid condylarths. It is stratigraphically situated at the
    Dormaal reference-level, at the base of the early Eocene, and is considered equivalent to the late Clarkforkian of North America. The hypothesis is presented that new forms appearing at the beginning of the Wasatchian in North America migrated, in fact, at that time from Europe.


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