|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Paracrinoidea - Springerocystidae
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. S. Bassler 1950||Summit of theca supports a flat platform composed of five thick, wedge-shaped, oral plates centering about a small oral aperture from which diverge one anterior and two lateral narrow food grooves, the lateral ones branching within 1 mm. The food grooves terminate in five facets on the lateral sides of the platform to which the brachioles were attached and curving upward became erect.|