| Name | Cosmarium pyramidatum var. angustatum West & G.S.West |
| Authorship | West & G. S. West |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Cosmarium pyramidatum Brébisson ex Ralfs |
| Remarks | Created from Taxon Name Import: Cosmarium pyramidatum var. angustatum West & G.S.West |