micraster

About 0.01 uses per million words.

Meaning

1. noun Any of the extinct genus †Micraster of infaunal echinoids.

Similar words

micropod micrometazoa micromelerpetontid micryphantid microraptorian microcerberid microraptorine michelinoceratid macrochelid microsaur

Often followed by

cor coranguinum cortestudinarium and