Palaeacanthaspidoidei

Palaeacanthaspidoidei

[¦pāl·ē·ə‚kan·thə·spi′dȯid·ē‚ī]
(paleontology)
A suborder of extinct, placoderm fishes in the order Rhenanida; members were primitive, arthrodire-like species.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.