Smilodectes

Smy-loe-dek-teez.
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Nisha Yadav

Physicist

Nisha Yadav is a dedicated physicist whose work bridges the gap between physics and paleontology. With a deep interest in the processes that preserve ancient life, she explores how physical principles govern fossilization and the preservation of extinct species.

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Name

Smilodectes.

Phonetic

Smy-loe-dek-teez.

Named By

Classification

Chordata,‭ ‬Mammalia,‭ ‬Primates,‭ ‬Nothactidae,‭ ‬Nothactinae.

Diet

Folivore‭ (‬herbivore that specialises in eating leaves‭)‬.

Species

S.‭ ‬gracilis,‭ ‬S.‭ ‬mcgrewi,‭ ‬S.‭ ‬gingerichi

Size

Around‭ ‬2‭ ‬kilograms,‭ ‬though could be slightly larger.

Known locations

USA‭ ‬-‭ ‬Colorado,‭ ‬Utah‭ & ‬Wyoming.

Time Period

Ypresian to Lutetian of the Eocene.

Fossil representation

Multiple specimens.

In Depth

       Smilodectes is another example of an early Eocene era primate,‭ ‬and one of the better known from North America.‭ ‬As a notharctine primate,‭ ‬Smilodectes was similar to the type genus of the group,‭ ‬Notharctus.‭ ‬Like its relatives,‭ ‬Smilodectes was a small and lightly built primate that spent most of its time up in the tree canopy,‭ ‬where it’s presumed to have been a leaf eater.‭ ‬This is also a reflection of Eocene ecosystems which had a much wider expanse of forests than what are seen today,‭ ‬especially within the United States.

Further Reading

– Notice of some new fossil mammals from the Tertiary Formation. – American Journal of Science 2(7):35-44. – O. C. Marsh – 1871. – Studies of Eocene Mammalia in the Marsh Collection, Peabody Museum. Part II. Primates. Suborder Cheiromyoidea. – The American Journal of Science, series 4 16:345-368. – J. L. Wortman – 1903. – Phylogeny of middle Eocene Adapidae (Mammalia, Primates) in North America: Smilodectes and Notharctus. – Journal of Paleontology 53(1):153-163. – P. D. Gingerich – 1979. – Notharctine primates (Adapiformes) from the early to middle Eocene (Wasatchian-Bridgerian) of Wyoming: transitional species and the origins of Notharctus and Smilodectes. – Journal of Human Evolution 43(3):353-380. – G. F. Gunnell – 2002.

SPECIES SPOTLIGHT