Periechocrinus
Extinct genus of crinoids
From Wikipedia, the free encyclopedia
Periechocrinus is an extinct genus of crinoids belonging to the order Monobathrida, family Periechecrinidae.[2][3]
| 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 | |
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| Family: | Periechocrinidae |
| Genus: | Periechocrinus Morris 1843 |
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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.
