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Equidés monodactyles fossiles (Equus, Allohippus, Plesippus, Hippidion)

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?Allohippus sp. from MA zone (Monodactyl Equids from East Turkana)

Wednesday 19 July 2017

Upper Cheek Teeth Morphologies similar to ?Allohippus sp. from NS zone are found in MA zone: KNM ER 2688, 2691, and 4025; the decidual FS 75 2 has no origin (Fig. 28). Fig. 28 Associated Limb bones KNM ER 1275 are associated MC, MT, phalanges, and Tarsals (Fig. 29). Fig. 29 – The (…)

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Allohippus cf. koobiforensis from MA and MC zones (Monodactyl Equids from East Turkana)

Wednesday 19 July 2017

Cranial fragment KNM ER 1211 (Area 01, MA) belonged to a young adult. Fig. 22 Although it is crushed some dimensions can be measured or estimated. Clearly this specimen is much smaller than A. koobiforensis but, as much as can be seen, has similar proportions (Fig. 23). Fig. 23 Muzzle (…)

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?Allohippus sp. from NS zone (Monodactyl Equids from East Turkana)

Wednesday 19 July 2017

Mandible From Koobi Fora NS zone there is one incomplete ramus: KNM ER 5361 (left side, associated with an upper cheek series, collected in Area 100) that belonged to an equid smaller than A. koobiforensis (Figure 9). Fig. 9 The muzzle of the mandible is long (134 mm) and narrow (53 mm) (…)

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Allohippus koobiforensis from NS zone (Monodactyl Equids from East Turkana)

Wednesday 19 July 2017

Cranium The specimen KNM ER 1484 was found inside the Notochoerus scotti Faunal Zone (NS), in the Area 130 just below the KBS tuff. This tuff is correlated with the H2 tuff in the Shungura Formation uncontroversially dated about 1.8 My (Cerling et al. 1979). Last datations of the KBS tuff found (…)

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The Senèze equids, Tables (Senèze)

Friday 3 March 2017

The Senèze equids, Figures (Senèze)

Friday 3 March 2017

The Senèze equids, Text (Senèze)

Friday 3 March 2017

Abstract
The rich material of equid fossils from SenÃ¨ze is not homogeneous. Beside a few caballine teeth and limb bones (possibly cataloguing errors or intrusive specimens), there is evidence of at least two species. The bulk of the material may be referred to Allohippus senezensis, which by size and proportions is intermediate between A. pueblensis and A. mygdoniensis. One upper cheek tooth and 16 limb bones belong to a very large ?Allohippus. There are moreover a few fossils larger than the average of A. vireti of Saint-Vallier (France), and a few others as small or smaller than ?Allohippus of Pyrgos (Greece). The affinities and ages of various Pliocene and Pleistocene equid species are discussed and illustrated.
Keywords
Allohippus, A. senezensis, A. mygdoniensis. Equus Sussemionus suessenbornensis. Late Pliocene. Early and Middle Pleistocene.

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Equus from Omo Valley, Introduction (Equus from Omo Valley)

Monday 18 May 2015

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 â€“ 1.95 to 1.77 My. Thanks to de Heinzelin (1983) many (…)

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