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"A genus compound radiolarians, typical of the family <i>Sphaerozoidae</i>, the protoplasm of which contains colored cellaeform bodies, and gives rise to a network of spicules forming a loose detached skeleton." &mdash;Whitney, 1889

Sphaerozoum Ovodimare

"A genus compound radiolarians, typical of the family Sphaerozoidae, the protoplasm of which contains…

"A. natural size; B. two of the sacs with colored vesicles and spicules which lie in the investing protoplasm, magnified." &mdash;Whitney, 1889 <p>A colonial radiolarian possessing siliceous spicules.

Sphærozoum Punctatum

"A. natural size; B. two of the sacs with colored vesicles and spicules which lie in the investing protoplasm,…

"The anchor-shaped calcareous spicules which are attached to and protrude from the flat perforated calcareous plates in the integument of echinoderms of the genus."-Whitney, 1902

Ancora

"The anchor-shaped calcareous spicules which are attached to and protrude from the flat perforated calcareous…