| Name | Coscinodiscus excavatus var. semilunaris Grunow |
| Authorship | Grunow |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Coscinodiscus excavatus Greville ex Ralfs |
| Remarks | Created from Taxon Name Import: Coscinodiscus excavatus var. semilunaris Grunow |
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