from the GNU version of the Collaborative International Dictionary of English
- n.pl. An extinct group of fishes, supposed to be ganoids. The body and head were covered with large bony plates. See Illust. under pterichthys, and coccosteus.
from The Century Dictionary and Cyclopedia
- An order of fishes, constituted for some remarkable Paleozoic forms of doubtful relationships.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. extinct group of bony-plated fishes with primitive jaws
Sorry, no etymologies found.