15 май 260000000 г. до нашей эры - Cynodonts
Описание:
The mammalian ancestor was contained in the cynodont group. It had similar teeth, digestive and reproductive systems to what would eventually become mammals.Добавлено на ленту времени:
Дата:
15 май 260000000 г. до нашей эры
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~ 5883516 г назад