†Saccamminopsis (green alga)
Bryopsidophyceae - Caulerpales - Halimedaceae
Parent taxon: Udoteaceae according to Vachard and Cozar 2003
Sister taxa: Alpinocodium, Boueina, Brandneria, Calabricodium, Collarecodium, Egericodium, Eugonophyllum, Felixporidium, Halimeda, Hydracara, Madonicodium, Nipponophycus, Trelonella, Palaeoporella, Cayeuxia
Subtaxa: none
Ecology: stationary epifaunal "photoautotroph"