单词	Rotalia
释义	Rotalia noun Ro·​ta·​lia rōˈtālēə : a genus of foraminiferans having a finely perforated test with the segments in a turbinoid spiral and with septa composed of two lamellae between which are anastomosing canals rotalian -lēən adjective or noun rotaliform -ləˌfȯrm adjective or rotaliiform -lēəˌfȯrm Word History Etymology New Latin, from Late Latin rotalis + New Latin -ia
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