Holdfast for Ectenocrinus and Cincinnaticrinus
Full reference: J. Hall. 1866. Descriptions of new species of Crinoidea and other fossils from the Lower Silurian strata of the age of the Hudson-River Group and Trenton Limestone 1-17
Parent taxon: Crinoidea according to J. Hall 1866
Sister taxa: Abbreviatocrinites, Acariaeocrinus, Aethocrinea, Angulata, Asperocrinidae, Aspidocrinus, Balearocrinus, Baryschyr, Bornium, Camerata, Carpenterocrinus, Communicrinus, Crisantum, Cyclocaudex, Cyclocharacidae, Cyclocrista, Cyclocyclicus, Cyclomischidae, Cycloscapus, Dazhucrinus, Dentiferocrinidae, Dicyclica, Dronovicrinus, Dulanocrinus, Dwortsowaecrinus, Echmatocrinida, Entrochus, Entrochus rotiformis, Exaesiodiscidae, Flexicrinus, Floricyclidae, Floripila, Flucticharacidae, Flucticharax, Gasterometra, Gemmacrinus, Glyphidocrinus, Hemistreptocrinoidea, Heterostelechus, Kojvicrinus, Kstutocrinidae, Lamprosterigma, Leptocarphiidae, Malovicrinus, Mastocrinus, Mooreanteris, Moscovicrinus, Multifidocrinus, Ordinacrinus, Pandocrinus, Pentacrinoidea, Pentagonocyclicus, Pentagonopterix, Pentaridica, Picteticrinus, Pinegicrinus, Preptopremnum, Protocrinoida, Protocrinoidea, Salairocrinidae, Salairocrinus, Schyschcatocrinidae, Stenocrinidae, Stukaliniidae, Tantalocrinidae, Taranshicrinidae, Tatjanicrinus, Tetragonocyclicus, Tetralobocrinus, Torrocrinus, Waikaripites, Webericrinus, Zeravschanocrinus
Subtaxa: Lichenocrinus crateriformis Lichenocrinus obliquus Lichenocrinus subaequalis
Ecology: stationary upper-level epifaunal suspension feeder
Distribution:
• Ordovician of Canada (8: Nunavut, Ontario collections), United States (25: Iowa, Michigan, New York, Ohio, Pennsylvania)
Total: 33 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.