| Periechocrinus Temporal range: 1
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| Fossil specimen of Periechocrinus costatus from United Kingdom, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Crinoidea |
| Order: | †Monobathrida |
| Family: | †Periechocrinidae |
| Genus: | †Periechocrinus Morris, 1843 |
| Synonyms | |
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Periechocrinus is an extinct genus of crinoids belonging to the order Monobathrida, family Periechecrinidae.23
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.1
Species
- Periechocrinus costatus (Austin and Austin)
- Periechocrinus indicator Etheridge Jr. 1892 1
Description
Periechocrinus species were about 30 centimetres (12 in) high.
References
References
- The Paleobiology Database
- Encyclopedia of Life
- W.H.C. Ramsbottom Periechocrinus versus Periechocrinites - Annals and Magazine of Natural History: Series 12 Volume 7, Issue 81, 1954