|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Radiolaria - Albaillellaria - Ceratoikiscidae
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.
|Y. Wang et al. 2003||The test bilaterally symmetrical, composed of a lamellar shell and a triangular framework. The lamellar shell, supported by the triangular framework, imperforate, subcylindrical or conical, having numerous marginal spines around apertural margin. A-rod much shorter than i, b-rod forming an elongate triangular framework, a-rod and upper parts of I, b-rod covered by the shell; the lower parts of i, b-rod, without shell, like the shape of the letter X.|