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Platycrinites

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Kingdom  Animalia
Family  Platycrinitidae
Rank  Genus
Subphylum  Crinozoa
Phylum  Echinodermata
Subclass  Camerata
Platycrinites httpswwwfossileracomsp34170crawfordsville
Similar  Cyathocrinites, Actinocrinites, Gilbertsocrinus, Taxocrinus, Eretmocrinus

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

Contents

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

Species

  • Platycrinites crokeri Campbell and Bein 1971
  • Platycrinites ellesmerense Broadhead and Strimple 1977
  • Platycrinites halos Webster and Jell 1999
  • Platycrinites hemisphaericus (Meek & Worthen)
  • Platycrinites nikondaense Broadhead and Strimple 1977
  • Platycrinites omanensis Webster and Sevastopulo 2007
  • Platycrinites testudo Campbell and Bein 1971
  • Platycrinites wachsmuthi Wanner 1916
  • Platycrinites wrighti Marez-Oyens 1940
  • Description

    These moderate sized extinct crinoids had a columnar stem with a twisted pattern. 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.

    References

    Platycrinites Wikipedia


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