Periechocrinus is an extinct genus of crinoids belonging to the order Monobathrida, family Periechecrinidae.Encyclopedia of LifeW.H.C. Ramsbottom Periechocrinus versus Periechocrinites - Annals and Magazine of Natural History: Series 12 Volume 7, Issue 81, 1954
These stationary upper-level epifaunal suspension feeders lived during the Carboniferous period and the Mississippian age of Australia, as well as in the Silurian of Canada, Czech Republic, United Kingdom and United States, from 436.0 to 345.3 Ma.
Species Periechocrinus costatus (Austin and Austin) Periechocrinus indicator Etheridge Jr. 1892
Description Periechocrinus species were about high.
References
External links
Museum of Victoria