Definitions

from The Century Dictionary.

  • An order of irregular Echinoidea in which there are no jaws, teeth, perignathic girdle, or external branchiæ. It includes the families Cassidulidæ, Spatangidæ, Pourtalesiidæ, and others.

Etymologies

Sorry, no etymologies found.

Support

Help support Wordnik (and make this page ad-free) by adopting the word atelostomata.

Examples

    Sorry, no example sentences found.

Comments

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