Phyllocerida

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The '''Juraphyllitidae''' are compressed, evolute, with a modified body chamber that usually have coarse ventral ribbing. A few genera are more involute, but still compressed.  The first lateral saddles are diphyllic, the rest diphyllic or triphyllic.  
The '''Juraphyllitidae''' are compressed, evolute, with a modified body chamber that usually have coarse ventral ribbing. A few genera are more involute, but still compressed.  The first lateral saddles are diphyllic, the rest diphyllic or triphyllic.  
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==<References>==
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==''References''==
*Arkell et al, Mesozoic Ammonoidea. Treatise on Invertebrate Paleontology, Part L. R.C. Moore,(ed) 1957.
*Arkell et al, Mesozoic Ammonoidea. Treatise on Invertebrate Paleontology, Part L. R.C. Moore,(ed) 1957.
*[http://www.biolib.cz/en/taxon/id133975  Biolib-Phylloceratida]  
*[http://www.biolib.cz/en/taxon/id133975  Biolib-Phylloceratida]  
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JM 8/07/10
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[[user:John M|JM]] 8/07/10

Revision as of 21:48, 20 May 2012

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