Search for genus Protohippus returned 9 results.
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species: Protohippus tantalus
Kingdom: Animalia
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species: Equus perditus
Kingdom: Animalia
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species: Protohippus supremus
Kingdom: Animalia
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species: Protohippus lenticulare
Kingdom: Animalia
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species: Protohippus gidleyi
Kingdom: Animalia
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species: Protohippus vetus
Kingdom: Animalia
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species: Equus parvulus
Kingdom: Animalia
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subspecies: Protohippus perditus perditus
Kingdom: Animalia
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subspecies: Protohippus perditus secundus
Kingdom: Animalia
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