| 词条 | Platycrinitidae |
| 释义 |
| fossil_range = {{fossil range|Devonian|Permian}}[1] | image = Platycrinitidae - Platycrinites hemisphaericus.JPG | image_caption = Fossil specimens of Platycrinites hemisphaericus from United States, on display at Galerie de paléontologie et d'anatomie comparée in Paris | regnum = Animalia | phylum = Echinoderm | subphylum = Crinozoaata | classis = Crinoidea | subclassis = Camerata | ordo = | familia = Platycrinitidae | familia_authority = Bassler 1938 }}Platycrinitidae are an extinct family of Paleozoic stalked crinoids.[2] These stationary upper-level epifaunal suspension feeders lived during the Devonian, Permian and the Carboniferous periods, from 416.0 to 259.0 Ma.[1] Genera
References1. ^1 2 The Paleobiology Database {{Portal|Paleontology}}{{Taxonbar|from=Q18388943}}{{paleo-crinoidea-stub}}2. ^Encyclopedia of Life 4 : Camerata|Prehistoric echinoderm families|Devonian first appearances|Permian extinctions |
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