Subfamily Megatrematinae Holthuis 1982 (coral barnacle)
Thecostraca - Balanomorpha - Pyrgomatidae
Parent taxon: Pyrgomatidae according to B. K. K. Chan et al. 2021
Sister taxa: Ceratoconchinae, Pyrgomatinae
Subtaxa: Adna Megatrema Pyrgomina
Type: Megatrema
Ecology: stationary epifaunal suspension feeder
Distribution: there are no occurrences of Megatrematinae in the database