- ossa circumorbitalia
plural of os circumorbitale
Dictionary of ichthyology. 2009.
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os circumorbitale — (plural ossa circumorbitalia)) circumorbital (one of a series of superficial dermal bones encircling the eye including the suborbitals and supraorbitals. A complete circuit of bones is found only in such primitive fishes such as Lepisosteus and… … Dictionary of ichthyology