Spongodiscidae

Spongodiscidae is a family of radiolarians in the order Spumellaria. According to the original description by Ernst Haeckel, members of the family have a flat discoidal shell, in which a simple spherical central chamber is surrounded by an irregular spongy framework.^[1]

Spongodiscidae
Spongotrochus rhabdostylus
Scientific classification
Domain:	Eukaryota
(unranked):	SAR
(unranked):	Rhizaria
Phylum:	Retaria
Subphylum:	Radiolaria
Class:	Polycystinea
Order:	Spumellaria
Family:	Spongodiscidae
Genera
Amphirhopalum Chitonastrum Dictyocoryne Euchitonia Hymeniastrum Perichlamydium Porodiscus Rhopalastrum Spongaster Spongodiscus Spongotripus Spongotrochus Stylochlamydium Stylodictya Stylospongia Stylotrochus Teichertus Tessarastrum Tholodiscus Trigonastrum