[Véra Eisenmann]

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In Table 1 are the original data (2 sheets) provided by John Howe. One specimen was measured twice ; two seem to be the left and right of the same animal. In Table 2 are the data I used (diaphysis and proximal depths were not used because they are difficult to measure and bring little (…)

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Natural Trap, Calcanea, Data

vendredi 18 octobre 2013

In Table 1 are the original data (5 sheets) provided by John Howe ; in Table 2, they are ordered by accession numbers. Most measurements were not taken in my way. For comparisons with E. hemionus onager I used scatter diagrams of the three measurements close to mine : maximal length (1), minimal (…)

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Natural Trap Amerhippus conversidens, Text

vendredi 18 octobre 2013

Amerhippus conversidens – A beautifully preserved skull, KU 84947, was found too late to be studied by John Howe. He gave me just one good photograph of the occlusal side and several indifferent photos of the profile, dorsal side, and cheek teeth (Fig.1,2,3). There are few well preserved (…)

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Natural Trap Caballine, Figures

vendredi 18 octobre 2013

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Amerhippus leoni and "Equus conversidens"

mardi 1er octobre 2013

"Equus conversidens" group The type upper cheek teeth of E. conversidens Owen 1869 figured correctly by Hibbard (1955) are so close in morphology to those usually referred to E. semiplicatus (Fig.1) that one may wonder if they do not belong to the same species. Since there are no associated (…)

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