Subfamily Eolasmatinae Jones 2000 (barnacle)
Thecostraca - Balanomorpha - Pachylasmatidae
Parent taxon: Pachylasmatidae according to B. K. K. Chan et al. 2021
Sister taxa: Eutomolasma, Metalasmatinae, Pachylasmatinae
Subtaxa: Eolasma Neoeolasma
Ecology: stationary epifaunal suspension feeder
Distribution: found only at CH/f475 - Chatham Islands [Matanginui Lmst] (Eocene of New Zealand)