- 1. n. A genus of fossil horses from the Lower Pliocene. They had three toes on each foot, the lateral ones being small. Source: opted
- 2. n. Pliocene horse approaching donkeys in size Source: wordnet
- 3. A genus of fossil horses from the Lower Pliocene. They had three toes on each foot, the lateral ones being small. Source: webster
- 4. A genus of fossil horses from the Lower Pliocene. They hadthree toes on each foot, the lateral ones being small. Source: adambom
- 5. n Pliocene horse approaching donkeys in size Source: ecdict
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protohippus
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protoctistprotoctist familyprotoctist genusprotoctist orderprotogeometricprotogineprotogrammarprotogynousprotoheme
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