Definitions

from The Century Dictionary and Cyclopedia

  • In Woodward's classification, a subclass of Paleozoic fishes with persistent notochord and head and trunk covered with symmetrically arranged bony plates, the head-shield being movably articulated to the body-shield.

Etymologies

Sorry, no etymologies found.

Examples

Sorry, no example sentences found.

Comments

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