|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Rhombifera - Glyptocystitidae
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.
|C. R. C. Paul 1972||A genus of Glyptocystitidae with ambulacra developed between, not on, thecal plates. All ambulacra are short, confined to oral surface or extending slightly into radial circlet,, plates of which are cleft to receive them.|