|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Coeloscleritophora - Chancelloriida
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.
|P. Y. Parkhaev and Y. Demidenko 2010||"Sclerites composed of numerous (4–16) calvate radial spines, arranged vertically along periphery of sclerite, and surrounding vertical central spines (1–4), situated in checkerboard order. All spines tightly adjoin each other."|