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Free Content An Osteological Study of the Sciaenid Genus, Sciaenops Gill (Teleostei, Sciaenidae)

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The osteology of the monotypic sciaenid genus, Sciaenops Gill, based on a study of 21 specimens of Sciaenops ocellata (Linnaeus), is described and figured. Study material, ranging in size from 30 mm standard length and to 195 mm skull length, included cleared and stained specimens, disarticulated and ligamentary articulated skeletons, and fresh material.

The skull of Sciaenops ocellata is characterized by extensively excavated dermal bones, maxillaries sheathed by the lacrymals and second suborbitals, anterior semicircular canals incompletely enclosed by bone, interorbital septum with a large ossified component, vomer and basihyal elements edentulous, premaxillaries with a band of villiform teeth behind a single row of retrorse canines, strongly serrate preoperculars, and dentate third epibranchials. The vertebral column lacks lateral or ventral keels on the anterior centra, and lacks osseous bridges across vertebral parapophyses. The hemal arches of the antepenultimate (23rd) and penultimate (24th) vertebrae are autogenous. The caudal skeleton is of primitive perciform type, with 15 branched rays, three epurals, two pairs of uroneurals, and six hypurals.

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Document Type: Research Article

Publication date: 01 December 1968

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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