- ischiopterygia
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plural of ischiopterygium
Dictionary of ichthyology. 2009.
ischiopterygia
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ischiopterygium — (plural ischiopterygia)) pelvic fin (the paired fin which is located posterior, ventral or anterior to the pectoral fins (abdominal, thoracic or jugular in position). It functions to steer, brake and propel the fish and acts as a keel. In the… … Dictionary of ichthyology
