| Name | Antithamnion spirographidis Schiffner |
| Authorship | Schiffner |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Antithamnion Nägeli |
| Remarks | Created from Taxon Name Import: Antithamnion spirographidis Schiffner |
| GUID | urn:lsid:marinespecies.org:taxname:164132 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Antithamnion spirographidis Schiffner |
| Identification made in | [no date] (2) |