| Name | Callithamnion spinescens Kützing |
| Authorship | Kützing |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Callithamnion Lyngbye |
| Contains | Callithamnion spinescens var. julaceum Kützing |
| Remarks | Created from Taxon Name Import: Callithamnion spinescens Kützing |
| GUID | urn:lsid:marinespecies.org:taxname:371469 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Callithamnion spinescens Kützing |
| Identification made in | [no date] (2) |