Clymenia Sedgwickii
''Clymenia'' may refer to: * ''Clymenia'' (ammonite), an ammonite genus in the family Clymeniidae * ''Clymenia'' (plant), a flowering plant genus in the family Rutaceae {{genus disambiguation ...
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Clymenia (ammonite)
''Clymenia'' is a genus in the ammonoid order Clymeniida, restricted to the Upper Devonian, characterized as with all clymeniids by a dorsal siphuncle that runs along the inside of the whorls, unusual for ammonoids. ''Clymenia'' has a closely coiled evolute shell that may be faintly ribbed. The dorsum, on the inside of the whorl, is slightly impressed, a result of the outermost whorl slightly enveloping the previous. The venter may be rounded or acute. The suture is simple, with a broad ventral saddle, broad lateral lobe, a dorso-lateral saddle, and a moderately deep hidden dorsal lobe. Septal necks are usually short and do not form a continuous tube. The suture and siphuncle are characteristic of the family. ''Clymenia'' is type genus of the family Clymeniidae. Is fossils have been found in Europe and Western Australia. References ;Notes ;Bibliography * ''Rocks, Minerals & Fossils of the World'' by Chris Pellant and Roger Phillips * ''Treatise on Invertebrate Paleontology T ...
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