cenellipsis elegans cenellipsis elegans cenellipsis elegans is a species of radiolarians in the order spumellaria. it is described from the paleocene of western kuban. cenellipsis eleganstemporal range: scientific classification domain: eukaryota (unranked): sar (unranked): rhizaria phylum: retaria subphylum: radiolaria class: polycystina order: spumellaria family: incertae sedis genus: cenellipsis species: c. elegans binomial name cenellipsis elegansborissenko, 1958