Platyceratacea

Platyceratacea

[‚plad·ē‚ser·ə′tās·ē·ə]
(paleontology)
A specialized superfamily of extinct gastropod mollusks which adapted to a coprophagous life on crinoid calices.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.