Platycrinitidae
Extinct family of crinoids / From Wikipedia, the free encyclopedia
Platycrinitidae is an extinct family of Paleozoic stalked crinoids.[2]
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Fossil specimens of Platycrinites hemisphaericus from United States, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
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Family: | Platycrinitidae Bassler 1938 |
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These stationary upper-level epifaunal suspension feeders lived during the Devonian, Permian and the Carboniferous periods, from 416.0 to 259.0 Ma.[1]