|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Radiolaria - Archaeospicularia - Echidninidae
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|M.-Z. Won and W. J. Iams 2002||Skeleton consisting of several to numerous large, individual interlocked spicules that form a hollow, irregular to subspherical shell. Spicule consisting of two vertical rays and five, six, seven, or eight whorled rays.|