acentrous
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acentrous — adjective lacking vertebral centra Some bony fishes (Teleostei, Amia, Lepisosteus, and Brachiopterygii) have well ossified centra and neural and hemal arches. Others (Dipnoi, Latimeria, and Chondrostei) lack centra (acentrous), and the notochord… … Wiktionary
acentrous — without vertebral centra, with persistent notochord, e.g. Dipnoi, Holocephali … Dictionary of ichthyology
acentrous — acen·trous … English syllables
