Acrotretida

Acrotretida

[‚ak·rō′tred·ə·də]
(invertebrate zoology)
An order of brachiopods in the class Inarticulata; representatives are known from Lower Cambrian to the present.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
A Discradisca stella specimen (Inarticulata, Acrotretida) was collected by dredging at a depth of 42-44 m off Omishima Island (Ehime) in the Inland Sea of Japan in April 2012.
Inarticulata comprises 2 orders (Lingulida and Acrotretida): Articulata comprises an additional 2 orders (Rhynchonellida and Terebratulida).