Radiolaria - Spumellaria - Relindellidae
Full reference: H. Kozur and H. Mostler. 1979. Beiträge zur Erforschung der mesozoischen Radiolarien, Teil III: Die Oberfamilien Actinommacea Haeckel 1862 emend., Artiscacea Haeckel 1882, Multiarcusellacea nov. der Spumellaria und triassische Nassellaria [Contributions to the Mesozoic Radiolaria, part III: Superfamilies Actinommacea Haeckel 1862 emend., Artiscacea Haeckel 1882, Multiarcusellacea nov. of Spumellaria and Triassic Nassellaria]. Geologisch-Paläontologische Mitteilungen Innsbruck 9:1-132
Parent taxon: Relindellidae according to P. De Wever et al. 2001
Sister taxa: Copicyntroides, Pentaspongodiscus
Subtaxa: Tetraspongodiscus inaequispinosus, Tetraspongodiscus longispinosus, Tetraspongodiscus stauracanthus, Tetraspongodiscus tetragonius
Type: Tetraspongodiscus longispinosus
Ecology: passively mobile planktonic omnivore