Analytoceras
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Analytoceras is an extinct genus of cephalopod belonging to the Ammonite subclass that lived during the early Jurassic. Analytoceras, named by Alpheus Hyatt in 1900, is a lytoceratid and only member of the pleuroacanthitid subfamily Analytoceratinae, which has the same characters as its genus. Shell characters: inner whorls constricted, middle with parabolic lines and conspicuous parabolic nodes, outer with sigmoidal flairs; adult body chamber with ventrolateral spines.
Analytoceras is an extinct genus of cephalopod belonging to the Ammonite subclass that lived during the early Jurassic. Analytoceras, named by Alpheus Hyatt in 1900, is a lytoceratid and only member of the pleuroacanthitid subfamily Analytoceratinae, which has the same characters as its genus. Shell characters: inner whorls constricted, middle with parabolic lines and conspicuous parabolic nodes, outer with sigmoidal flairs; adult body chamber with ventrolateral spines.
References
W.J Arkell, B.Kummel, C.W. Wright, Systematic Descriptions, Mesozoic Ammonoidea, Treatise on Invertebrate Paleontology, Part L (1957) p L193.
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