|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Paracrinoidea - Comarocystitida - Comarocystitidae
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 subspheroidal to nearly fusiform; nearly circular to broadly oval in cross section; composed of c. 37 generally hexagonal, externally concave plates; plates with slitlike subepistereomal sutural pores. Two recumbent, uniserial arms extend transversely from the peristome and both extend nearly to, or onto|