tabular bone

tabular bone
extrascapula (a small bone bordering the posterior margin of the skull roof in primitive Teleostomi. These bones apparently originate from enlarged scales. One of a series of from 2-8 bones known variously as cervicals, nuchals, postparietals, scale bones or supratemporals. Often small and thin dermal bones on the nape or above the opercular membrane related to the supratemporal sensory canal)

Dictionary of ichthyology. 2009.

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