1 янв 1966 г. - Mesonychia as closest relatives of whales
Описание:
Van Valen (1966), suggested that theclosest relatives of whales were the Mesonychia—a group of carnivorous condylarths (ancient hoofed mammals) that resemble early cetaceans in the morphology of their teeth.
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1 янв 1966 г.
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~ 59 г назад