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Transitional fossil Reference Libraries

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Hyracotherium
2007-12-21 13:22:00

Hyracotherium (Hyracotherium leporine), was once considered to be the earliest known member of the horse family. Now, though, it is considered to be part of the perissodactyl family related to both horses and brontotheres. Hyracotherium was a dog-sized perissodactyl ungulate that lived in the Northern Hemisphere, with species ranging throughout Asia, Europe, and North America during the Early...

Word of the Day
holluschickie
  • A 'bachelor seal'; a young male seal which is prevented from mating by its herd's older males (mated bulls defending their territory).
This comes from the Russian word for 'bachelors.'
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