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Equus from Omo Valley, Introduction
There is no Equus inside Omo deposits before member G of the Shungura Formation (Eisenmann, 1985). According to Table 1 of Alemseged (2003) Tuff G, at the base of member G, is 2.33 Ma old; member H is contemporary with The Olduvai event – 1.95 to 1.77 My.
Thanks to de Heinzelin (1983) many localities may be referred to various parts of Shungura members:
Lower-Middle G
– Omo 29 = G1-G5?
– Omo 1-b = G4-5
– Omo 195 = G7-8
– Omo 253 = G12
Upper G
– Omo 78 = G27-28
– Omo VEO = G27-28
– Omo K11 = Upper G
Lower H
– P764 = Hi
Above L9
- K7
The photographs will be presented in that order.
Some localities belong in member G without more precision:
– Omo 75
– Omo 113
– Omo 215
I have no information on material collected in 1933, published by Joleaud (1933) or on K20.
References
EISENMANN V., 1985. - Les Equidés des gisements de la vallée de l’Omo en Ethiopie (collections franà§aises). In : Les Faunes plio-pléistocènes de la basse vallée de l’Omo (Ethiopie), T. 1: Périssodactyles, Artiodactyles (Bovidae). Cah. Paléontol., Travaux de Paléontologie est africaine, Eds CNRS, Paris: 13-55, 14 fig., 5 pl., 21 tabl.
HEINZELIN J. de, 1983. – The Omo Group. Archives of the International Omo Research Expedition.
JOLEAUD L., 1933. – Un nouveau genre d’Equidé Quaternaire de l’Omo (Abyssinie): Lybihipparion ethiopicum. Bulletin de la Société Géologique de France, S 5, t. III, 7-28, pl. I.
