|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Paracrinoidea - Platycystitida - Malocystitidae
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.
|R. L. Parsley and L. W. Mintz 1975||Theca globose, c. 33-58 non-pored plates [thecal plates not more numerous on right side]. Column attachment only slightly offset to the left; two recumbent arms with eight to ten recumbent pinnules deeply imbedded into narrow but prominent calluses. Periproct anterior right lateral near apex.|