Help Wordnik hunt for a million missing words by backing our Kickstarter!


from the GNU version of the Collaborative International Dictionary of English

  • n. An extinct genus of large, fossil, bivalve shells, allied to the mussels. The genus is characteristic of the Cretaceous period.

from The Century Dictionary and Cyclopedia

  • n. A genus of fossil bivalve mollusks of the family Aviculid√¶, characteristic of the Cretaceous period.


Sorry, no etymologies found.


Sorry, no example sentences found.


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