supraorbital ridge

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Related to supraorbital ridge: Supraorbital Margin, nuchal crest
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.supraorbital ridge - a ridge on the frontal bone above the eye socketsupraorbital ridge - a ridge on the frontal bone above the eye socket
ridge - any long raised border or margin of a bone or tooth or membrane
References in periodicals archive ?
Supraorbital ridge high, continuing Cristacirrhitus more than half eye diameter posterior to orbit; lower opercular spine acute, forming an angle of 45[degrees] or less; no scales in interorbital space; pectoral fins reaching slightly beyond a vertical at tips of pelvic fins; body depth 3.
In late 1999, Vadhana Subhavan and Somsak Pramankij, researchers from Thailand's Sood Sangvichien Prehistoric Museum and Laboratory, found four pieces of frontal bone, discovered to be 500,000 to 1 million years old, that are the upper part of a supraorbital ridge from a skull.