Monodactyl Equids from Guomde

KNM ER 2658 are associated one upper premolar and two lower premolars (Fig. 56). The enamel is very plicated like in the Sussemione-like teeth of Figure 54. The protocone is long and indented, like in A. koobiforensis (Fig. 4).
Fig. 56

Surprisingly enough, from the Guomde Formation, Area 105-109, a lower P2-M1 series (P4 and M1 were sectioned, Fig. 58) has the same pattern as A. koobiforensis (Fig. 6).
Fig. 57

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