catenopylidae catenopylidae catenopylidae is a family of radiolarians in the order spumellaria. catenopylidae scientific classification domain: eukaryota (unranked): sar (unranked): rhizaria phylum: retaria subphylum: radiolaria class: polycystinea order: spumellaria family: catenopylidaedumitrica, 1989 genera catenopyle praecatenopyle