Simimyidae
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Simimyidae is a
family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
of extinct
rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are n ...
s from North America.


References

Dipodoid rodents Prehistoric rodent families Extinct animals of the United States Eocene first appearances Eocene extinctions {{paleo-rodent-stub