Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy External Literature Search Age range and collections

Columbocystis

Paracrinoidea - Springerocystidae

Taxonomy
Columbocystis was named by Bassler (1950) [Sepkoski's age data: O Cara-l].

It was assigned to Springerocystidae by Bassler (1950); and to Paracrinoidea by Sepkoski (2002).

Synonymy list
YearName and author
1950Columbocystis Bassler p. 273
2002Columbocystis Sepkoski, Jr.

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
RankNameAuthor
phylumEchinodermata
subphylumParacrinozoaParsley and Mintz 1975
classParacrinoideaRegnell 1945
familySpringerocystidae
genusColumbocystis

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.

Diagnosis
ReferenceDiagnosis
R. S. Bassler 1950Summit 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.