Primitiopsacea

Primitiopsacea

[prī‚mid·ē·äp′sā·shə]
(paleontology)
A small dimorphic superfamily of extinct ostracodes in the suborder Beyrichicopina; the velum of the male was narrow and uniform, but that of the female was greatly expanded posteriorly.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.