|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Crinoidea - Cyrtocrinida - Sclerocrinidae
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.
|H. Hess and A. S. Gale 2010||Cup nearly spherical, with flattened base; facet
to holdfast or column part smooth, with short crenulae along
the margin, raised centre, axial canal eccentric on raised
area; sutures between radials partially visible, especially
in upper part; radial articular facets more or less equal,
forming a right angle with the base of the cup; radial cavity
wide and deep; surface covered by granules.