|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Eocrinoidea - Gogiida
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 Y.-L. Zhao 2006||Emended from Sprinkle, 1973. Eocrinoids with attachment disk and stalklike structure ranging from poorly organized holdfast to column with essentially holomeric elements, transverse ambulacral system on the upper face of theca (probably with 2-1-2 branching in mature specimens), and loosely organized theca (regular series of plates are present in adult Sinoeocrinus with almost all plates having well-developed sutural pores. Brachioles of typical construction; straight or variously twisted or coiled, and commonly have tall covering plates over food grooves.|