Platycrinites

Platycrinites
Temporal range: Devonian–Permian

[1]

Fossil specimens of Platycrinites hemisphaericus from United States, on display at Galerie de paléontologie et d'anatomie comparée in Paris
Scientific classification
Kingdom: Animalia
Phylum: Echinodermata
Subphylum: Crinozoa
Class: Crinoidea
Family: Platycrinitidae
Genus: Platycrinites
Miller 1821

Platycrinites are an extinct genus of Paleozoic stalked crinoids belonging to the family Platycrinitidae. [2]

These stationary upper-level epifaunal suspension feeders lived during the Devonian, Permian and the Carboniferous periods, from 376.1 to 259.0 Ma. [1]

Species

[1]

Description

These moderate sized extinct crinoids had a columnar stem with a twisted pattern. [3] On top of the stem was a calyx with a number of feather-like arms.

Distribution

Fossils of this genus have been found in the Devonian of Germany, in the Carboniferous of Australia, Canada, China, Ireland, United Kingdom, United States. As well as in the Permian of Australia, Canada, Indonesia, Oman and United States. [1]

References

This article is issued from Wikipedia - version of the Thursday, May 05, 2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.