This taxon name is not current. The available references for this name are:
Rhipidiphyllon Heydr. is more recently known as Anadyomene J.V.Lamour.
Reason See J.M. Huisman & F. Leliaert in Algae of Australia: Marine Benthic Algae of North-western Australia, 1. Green and Brown Algae 34 (2015)
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A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.