Colosteus scutellatus (Newberry) : a primitive temnospondyl amphibian from the Middle Pennsylvanian of Linton, Ohio. American Museum novitates ; no. 2770

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dc.contributor.authorHook, Robert W. (Robert Warren)en_US
dc.date.accessioned2005-10-06T18:11:57Z
dc.date.available2005-10-06T18:11:57Z
dc.date.issued1983en_US
dc.description41 p. : ill. ; 26 cm.en_US
dc.descriptionIncludes bibliographical references (p. 37-41).en_US
dc.description.abstract"Colosteus scutellatus (Newberry), known exclusively from the classic Coal Measures locality of Linton, Ohio, is the genotype and youngest representative of the Colosteidae, an archaic group of temnospondyls that also includes Pholidogaster and Greererpeton. The colosteids are a monophyletic group distinguished from other temnospondyls by massive stapes and no otic notch; elongate prefrontal contacting narial border, premaxilla, and maxilla; intertemporal reduced or absent with broad postorbital-parietal contact; single pair of premaxillary tusks; and single, elongate Meckelian fenestra. The use of the superfamily Colosteoidea (Tatarinov, 1964) is recommended in the absence of shared derived characters indicating a close relationship between the colosteids and any other known temnospondyls. The structure of the stapes and skull roof suggests that the colosteoids may represent the sister group of all other temnospondyls. An overview of the status of the Temnospondyli indicates that exclusion of the loxommatoids is justified, but that a possible microsaur-temnospondyl relationship circumvents the possibility of temnospondyl monophyly"--P. 2.en_US
dc.format.extent6774144 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/2246/5258
dc.languageengen_US
dc.language.isoen_US
dc.publisherNew York, N.Y. : American Museum of Natural Historyen_US
dc.relation.ispartofseriesAmerican Museum novitates ; no. 2770en_US
dc.subject.lccQL1 .A436 no.2770, 1983en_US
dc.subject.lcshColosteus scutellatus.en_US
dc.subject.lcshTemnospondyli -- Ohio -- Jefferson County.en_US
dc.subject.lcshAmphibians, Fossil -- Ohio -- Jefferson County.en_US
dc.subject.lcshPaleontology -- Pennsylvanian -- Ohio -- Jefferson County.en_US
dc.subject.lcshPaleontology -- Ohio -- Jefferson County.en_US
dc.titleColosteus scutellatus (Newberry) : a primitive temnospondyl amphibian from the Middle Pennsylvanian of Linton, Ohio. American Museum novitates ; no. 2770en_US
dc.typetexten_US

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