[ˈtænɪstəʊm]

Definitions

1. noun

A genus of extinct, small, short-snouted rodents from the Paleocene and Eocene epochs.

“The fossil discovery of the tanystome in the nearby site was a groundbreaking find.”

2. noun

A type of extinct rodent with a distinctive snout shape.

“The scientists studied the unique snout of the tanystome fossil.”