aspondylous vertebra
a vertebra lacking a centrum although neural and haemal arches are well-developed, e.g. in Cyclostomata, Holocephali, Dipnoi, Acipenseridae

Dictionary of ichthyology. 2009.

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  • vertebra aspondyla — (plural vertebrae aspondylae)) aspondylous vertebra (a vertebra lacking a centrum although neural and haemal arches are well developed, e.g. in Cyclostomata, Holocephali, Dipnoi, Acipenseridae) …   Dictionary of ichthyology

  • aspondyly — the condition of an aspondylous vertebra …   Dictionary of ichthyology

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