vertebrae polyspondylae
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vertebra polyspondyla — (plural vertebrae polyspondylae)) polyspondylous vertebra (vertebra showing polyspondyly, the notochord surrounded by many serially arranged calcified rays, in effect having several centra e.g. Chimaera has 5 9 centra, Amia has 2 in the caudal… … Dictionary of ichthyology
