Article

Les mammifères Montiens de Hainin (Paléocène moyen de Belgique) Part II : Les Condylarthres

Jean Sudre and Donald E. Russell

Cite this article: Jean Sudre and Donald E. Russell, 1982. Les mammifères Montiens de Hainin (Paléocène moyen de Belgique) Part II : Les Condylarthres. PalaeoVertebrata 12 (6): 173-184. doi: 10.18563/pv.12.6.173-184

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Abstract

The Condylarths from Hainin (Hainault, Belgium) show no affinity at the generic level to those known in other Paleocene localities of Europe and North America ; they are described as new forms : Monshyus praevius n. gen., n. sp. and Prolatidens waudruae n. gen., n. sp. Monshyus praevius, discovered in only one of the levels in the excavation at Hainin, is similar to the genera Microhyus TEILHARD and Louisina RUSSELL ; with them it is included in the subfamily Louisininae (Hyopsodontidae). With respect to Microhyus and Louisina, Monshyus is distinguished by the precociously modern aspect of its upper molars, the only teeth that are referable. Prolatidens waudruae, known only by lower molars, was found in several levels in the pit at Hainin. It is an arctocyonid presenting possible relationships to the North American form Oxyprimus galadrielae ; it therefore has been provisionally attributed to the subfamily Oxyclaeninae. If this attribution is confirmed, this species will constitute the first and only representative of the group in Europe.