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Temporal range: Middle Eocene
Leptictidium auderiense as it appeared in Walking with Beasts
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Leptictida
Family: Pseudorhyncocyonidae
Genus: Leptictidium
Type species
Leptictidium auderiense
Tobien, 1962
Referred species
  • Leptictidium auderiense
    (Tobien, 1962)
  • Leptictidium ginsburgi
    (Mathis, 1989)
  • Leptictidium listeri
    (Hooker, 2013)
  • Leptictidium nasutum
    (Lister & Storch, 1985)
  • Leptictidium prouti
    (Hooker, 2013)
  • Leptictidium storchi
    (Hooker, 2013)
  • Leptictidium tobieni
    (Koenigswald & Storch, 1987)

The Leptictidium is at least a meter long and lived in the Eocene rainforests in Eurasia. They lived from 50 to 35 million years ago (when the first cats appeared and the world cooled down).They were omnivorous mammals. They ate insects, lizards and small mammals. Together with macropods and humans, Leptictidium is the only known biped mammal. It's name means graceful weasel. Leptictidium lived in a scientific family called Pseudorrhyncocyonidae.