Apsidospondyli

Apsidospondyli

[¦ap·sə·də′spän·də‚lī]
(vertebrate zoology)
A term used to include, as a subclass, amphibians in which the vertebral centra are formed from cartilaginous arches.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.