Definitions

from The Century Dictionary and Cyclopedia

  • n. A genus of prionodesmacean pelecypods having compressed, equivalve, concentrically plicated, thin-walled shells, with rounded outlines and short straight hinge-line. The species range from Silurian to Jurassic, and are especially abundant in Permian, Triassic, and Jurassic formations.

Etymologies

Sorry, no etymologies found.

Examples

Sorry, no example sentences found.

Wordnik is becoming a not-for-profit! Read our announcement here.

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.