†subfamily Orthotrinacriinae Zaninetti et al. 1985 (foram)
Tubothalamea - Miliolida - Milioliporidae
Parent taxon: Milioliporidae according to A. R. Loeblich and H. Tappan 1988
Sister taxa: Altinerininae, Cucurbita, Galeanellinae, Kamuraninae, Miliolipora, Milioliporinae, Orthotrinacria, Pseudocucurbitinae
Subtaxa: none
Ecology: stationary epifaunal deposit feeder
Distribution: there are no occurrences of Orthotrinacriinae in the database