| Name | Chaetoceros incurvus var. umbonatus Castracane |
| Authorship | Castracane |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Chaetoceros incurvus Bailey |
| Remarks | Created from Taxon Name Import: Chaetoceros incurvus var. umbonatus Castracane |
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