Subfamily Cryptolarnaciinae Dumitrica 1989 (radiolarian)
Radiolaria - Spumellaria - Larnacillidae
Parent taxon: Larnacillidae according to P. De Wever et al. 2001
Sister taxa: Circodiscinae, Histriastrinae, Larnacillinae
Subtaxa: Coccolarnacium, Cryptolarnacium, Spongopyle
Type: Cryptolarnacium
Ecology: passively mobile planktonic omnivore