Subfamily Larnacillinae Haeckel 1887 (radiolarian)
Radiolaria - Spumellaria - Larnacillidae
Parent taxon: Larnacillidae according to P. De Wever et al. 2001
Sister taxa: Circodiscinae, Cryptolarnaciinae, Histriastrinae
Subtaxa: Larnacilla, Larnacopylomma
Type: Larnacilla
Ecology: passively mobile planktonic omnivore