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''Buccella'' is a genus of late Cenozoic benthic foraminifera that made its first appearance during the Oligocene and is found living in recent oceans. ''Buccella'', named by Andersen, 1952, is assigned to the Trichohyalidae, a family making up part of the rotaliid superfamily Chilostomellacea. The test is planoconvex to lenticular, trochospiral, with three to four gradually enlarging whorls, seven to eight chambers in the final whorl. Sutures on the spiral side are thickened and curved back toward the periphery, those on the umbilical side radial and incised. The aperture is interiomarginal, midway between umbilicus and periphery, and may be partially covered by the umbilical granules. Test composition is calcareous. ''Mesorotalia'' McCulloch, 1977, appears to be a junior synonym. ''Aubignyna'', ''Neobuccella'', and ''Trichohyalus'' are related genera. ==''References''== *Alfred R. Loeblich Jr and Helen Tappan, 1964. Sarcodina, chiefly "Thecamoebians" and Foraminiferida. Treatise on Invertebrate Paleontology, Part C, Protista 2. Geological Society of America and University of Kansas Press. *(Trichlhyalidae ) Loeblich and Tappan, 1988. Foraminfera genera and their classificaion. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Buccella (genus)」の詳細全文を読む スポンサード リンク
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