Subfamily Semibalaninae Newman and Ross 1976 (barnacle)
Thecostraca - Balanomorpha - Balanidae
Parent taxon: Balanidae according to B. K. K. Chan et al. 2021
Sister taxa: Acastinae, Amphibalaninae, Archaeobalaninae, Balaninae, Cetolepas, Concavinae, Creusiinae, Emersoninae, Megabalaninae, Wanellinae
Subtaxa: Semibalanus
Ecology: stationary epifaunal suspension feeder
Distribution: found only at Sudurnes Sample 2 (Quaternary of Iceland)