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・ Cumieira
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Cumingsoceras
・ Cuminia
・ Cumino
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・ Cumières
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・ Cumiès
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・ Cummascach mac Congalaig
・ Cummascach mac Flainn
・ Cummascach mac Fogartaig
・ Cummer Museum of Art and Gardens
・ Cummeragunja Reserve


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Cumingsoceras : ウィキペディア英語版
Cumingsoceras

''Cummingsoceras'' is a barrandeoceroid genus within the Tarphycerida, included in the family Uranoceratidae. Its shell is a rapidly expanding gyrocone of about 1.5 narrowly separated whorls.
The surface is faintly cancellated by slight longitudinal lines that cross growth lines which define a deep hyponmic sinus. The siphuncle is small, subcentral, and with recumbent necks.
''Cummingsoceras'' is known from the middle Silurian of Indiana and Illinois.
==References==

*Sweet, Walter C. 1964. Nautiloidea-Barrandeocerida. Treatise on Invertebrate Paleontology, Part K. Geol Soc of America and Univ Kansas Press.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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