Didelphodon

Die-del-foe-don.
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Maeve Foster

Paleoclimatologist

Maeve Foster explores the Earth's climatic past to understand the forces that shaped life on our planet. Her research into ancient climate events provides valuable context for current environmental challenges.

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Name

Didelphodon (Opossum tooth).

Phonetic

Die-del-foe-don.

Named By

Classification

Chordata, Mammalia, Marsupialia, Ameridelphia, Didelphimorphia.

Diet

Carnivore/Insectivore.

Species

D. vorax

Size

30 centimetres long.

Known locations

Canada, Alberta - Scollard Formation. USA, Montana - Hell Creek Formation, Wyoming - Lance Formation.

Time Period

Maastrichtian of the Cretaceous.

Fossil representation

Many dozens of specimens.

In Depth

       Didelphodon acquired its name because of its similar dentition to a modern day opossum, which in turn has indicated a matching diet of insects and small animals. Its body morphology also suggests adaptation for burrowing, a good survival tactic when you consider the predatory dinosaurs of its time. As an ancient marsupial, Didelphodon is thought to represent an ancient ancestor to the opossums that live in North America today.

Further Reading

– A new species of Didelphodon Marsh (Marsupialia) from the Upper Cretaceous of Alberta, Canada: paleobiology and phylogeny. – Neues Jahrbuch f�r Geologie und Pal�ontologie, Abhandlungen 172(3):357-380. – R. C. Fox & B. G. Naylor – 1986. – Stagodontid marsupials from the Late Cretaceous of Canada and their systematic and functional implications. – Acta Palaeontologica Polonica. 51 (6): 13–36. – R. C. Fox & B. G. Naylor – 2006. – A large carnivorous mammal from the Late Cretaceous and the North American origin of marsupials. – Nature Communications. 7: 13734. – Gregory P. Wilson, Eric G. Ekdale, John W. Hoganson, Jonathan J. Calede &Abby Vander Linden – 2016.

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