Anthocyathea

Anthocyathea

[‚an·thə‚sī′ā·thē·ə]
(paleontology)
A class of extinct marine organisms in the phylum Archaeocyatha characterized by skeletal tissue in the central cavity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.