| Gilbertsocrinus Temporal range: [1] | |
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| Fossil specimen of Gilbertsocrinus tuberosus from United States, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
| Scientific classification | |
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| Family: | Rhodocrinidae |
| Genus: | Gilbertsocrinus Phillips 1836 |
Gilbertsocrinus are an extinct genus of Paleozoic stalked crinoids.[2]
These stationary upper-level epifaunal suspension feeders lived in the Devonian of the Czech Republic and United States, as well as in the Carboniferous of the United Kingdom and United States, from 416.0 to 345.0 Ma.[1]
Species
- Grinus tuberosus (Lyon & Casseday)
Description
Gilbertsocrinus are quite common crinoids with some unusual features. They have a flexible column, an unusual holdfast, tegmen appendages and minute arms.[3][4]
References
- 1 2 3 The Paleobiology Database
- ↑ Encyclopedia of Life
- ↑ . B. Meek Note on the Genus Gilbertsocrinus, Phillips
- ↑ Kathy A. Hollisa and William I. Ausichb The Holdfast of Gilbertsocrinus tuberosus (Mississippian, Crinoidea)
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