This taxon name is not current. The available references for this name are:
Galaxaura marginata (J.Ellis & Sol.) J.V.Lamour. is more recently known as Dichotomaria marginata (J.Ellis & Sol.) Lam.
Reason See J.M. Huisman et al. in Phycol.Res. 52:229 (2004)
See also: A longer explanation of these and other terms in our Plant Names Primer.
A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.