The Gelocidae are an extinct family of hornless ruminantia that are estimated to have lived during the Eocene and Oligocene epochs, from 36 MYA to 6 MYA. The family generally includes ruminants with dental traits of both the Tragulina and Pecora, making it a notorious wastebasket taxon with unresolved affinities.

Gelocidae
Temporal range: Priabonian-Messinian, 36.0–6.0 Ma
Gelocus communis mandibles, Museum of Natural History Basel
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Infraorder: Tragulina
Family: Gelocidae
Schlosser, 1886
Genera

Description

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Members of the family Gelocidae were long-legged, even-toed ungulates adapted for running and grazing. The Gelocidae likely share a close common ancestor with Moschidae and were of a similar size and shape. They had similar dentition and proportions to members of Moschidae, but lacked the sabre-like tusks of the modern musk deer.

Bibliography

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Webb, S. D.; Taylor, B. E. (31 December 1980). "The phylogeny of hornless ruminants and a description of the cranium of Archaeomeryx". Bulletin of the American Museum of Natural History. 167: 117–158. Retrieved 21 July 2016.