Studies on the Paleozoic selachian genus Ctenacanthus Agassiz. No. 3, Nominal species referred to Ctenacanthus. American Museum novitates ; no. 2774

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dc.contributor.authorMaisey, John G.en_US
dc.date.accessioned2005-10-06T17:05:38Z
dc.date.available2005-10-06T17:05:38Z
dc.date.issued1984en_US
dc.description20 p. ; 26 cm.en_US
dc.descriptionIncludes bibliographical references (p. 16-20).en_US
dc.description.abstract"All known nominal species of the Paleozoic chondrichthyan genus Ctenacanthus are listed, together with information concerning provenance, whereabouts of type material (where known), important subsequent references and comments on the probable affinities of each species. Other references to undetermined Ctenacanthus spp. are listed chronologically. Of some 100 species, 10 are considered totally invalid; the holotypes of five others are known to be lost or destroyed; four others are founded on inadequate material; 10 are referred to the Acanthodii; eight are referred to another spine genus, Acondylacanthus; three are referred to Asteroptychius; nine are referred to Sphenacanthus; 20 are referred to various other genera; eight are considered close to Ctenacanthus but are excluded from it; and 23 are left in Ctenacanthus. Of the latter, however, eight are probably synonyms of the type species, C. major, and consequently only 15 species are retained. Of these, seven are from the Upper Devonian and eight are from the Lower Carboniferous; all are from marine strata. This stratigraphic range is much less than the previous records have suggested"--P. [1].en_US
dc.format.extent2844983 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/2246/3535
dc.languageengen_US
dc.language.isoen_US
dc.publisherNew York, N.Y. : American Museum of Natural Historyen_US
dc.relation.ispartofseriesAmerican Museum novitates ; no. 2774en_US
dc.subject.lccQL1 .A436 no.2774,1984en_US
dc.subject.lcshCtenacanthus.en_US
dc.subject.lcshChondrichthyes, Fossil.en_US
dc.subject.lcshFishes, Fossil.en_US
dc.subject.lcshPaleontology -- Paleozoic.en_US
dc.titleStudies on the Paleozoic selachian genus Ctenacanthus Agassiz. No. 3, Nominal species referred to Ctenacanthus. American Museum novitates ; no. 2774en_US
dc.title.alternativeNominal species referred to Ctenacanthusen_US
dc.typetexten_US

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