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1 June 2013 Présence d'un Osmeridae: Enoplophthalmus schlumbergeri Sauvage, 1880 dans l'Oligocène inférieur des environs de Céreste (Alpes-de-Haute-Provence, France)
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Abstract

An Osmeridae, Enoplophthalmus schlumbergeri Sauvage, 1880, in the Early Oligocene of Céreste surroundings (Alpes-de-Haute-Provence, France).

The study of a newly collected fossil material has given the opportunity for describing the anatomy of the species Enoplophthalmus schlumbergeri Sauvage, 1880, an osmerid from the Early Oligocène of the Apt-Céreste-Forcalquier syncline (Vaucluse, Alpes-de-Haute-Provence, France). Our study has shown that this species is directly related to the extant species Mallotus villosus (Müller, 1776), which is mainly living in the northern parts of the Atlantic and Pacific oceans and in the glacial Arctic Ocean. Like it, it exhibits a sexual dimorphism concerning the anal fin. Its coexistence with Dapalis macrurus (Agassiz, 1836), a species of fossil fishes which is related to the recent chandids of the Indo-Australian area, reinforces the “seasonal equability” theory, according to which the climates were less strictly defined during Eocene and Oligocene times than they are presently.

© Publications Scientifiques du Muséum national d'Histoire naturelle, Paris.
Jean Gaudant "Présence d'un Osmeridae: Enoplophthalmus schlumbergeri Sauvage, 1880 dans l'Oligocène inférieur des environs de Céreste (Alpes-de-Haute-Provence, France)," Geodiversitas 35(2), (1 June 2013). https://doi.org/10.5252/g2013n2a4
Received: 9 January 2012; Accepted: 18 July 2012; Published: 1 June 2013
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