Parent taxon: Articuliformes according to Wright 2017
See also Moore and Strimple 1973 and Sepkoski 2002
Sister taxa: Aesiocrinus, Agassizocrinus, Amabilicrinus, Ampelocrinus, Anobasicrinus, Aphelecrinus, Basleocrinus, Blothrocrinus, Botryocrinidae, Bursacrinus, Cadocrinus, Calceolispongia, Cercidocrinus, Clathrocrinus, Corematocrinus, Corythocrinus, Cricocrinus, Cromyocrinus, Cupressocrinites, Cymbiocrinus, Decadocrinus, Delocrinus, Diphuicrinus, Eupachycrinus, Exocrinus, Galateacrinus, Glossocrinus, Graphiocrinus, Hydreionocrinus, Laudonocrinus, Lophocrinus, Pachylocrinus, Paradelocrinus, Pelecocrinus, Phanocrinus, Pirasocrinus, Plicodendrocrinidae, Rhenocrinus, Rutkowskicrinus, Scotiacrinus, Scytalocrinus, Sellardsicrinus, Sostronocrinus, Spaniocrinus, Stachyocrinus, Staphylocrinus, Stellarocrinus, Sundacrinus, Texacrinus, Timorechinus, Tribrachyocrinus, Trimerocrinus, Zeacrinites
Subtaxa: Arkacrinus constrictus Arkacrinus dubius
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Carboniferous of United States (15: Arkansas, Oklahoma collections)
Total: 15 collections including 17 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.