| Name | Collumicylindrus Komura |
| Authorship | Komura |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Bacillariophyceae |
| Contains | Collumicylindrus sp. |
| Remarks | Type: C. annuliformis Komura. FOSSIL. Early Miocene marine sediments which outcrop along Nobi beach of the Miura Peninsula facing Tokyo Bay; Abuzuru Formation |
| Citation | Dec 2005 Diatom (Tokyo) 21: 7 |
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