acentrous
without vertebral centra, with persistent notochord, e.g. Dipnoi, Holocephali

Dictionary of ichthyology. 2009.

Look at other dictionaries:

  • 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 — acen·trous …   English syllables

  • acentrous — (ˈ)ā|sen.trəs adjective Etymology: a (II) + centr + ous of some primitive fishes : having the notochord persistent through life and lacking vertebral centra …   Useful english dictionary

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