U. acuminatus, U. zhaoae

Aacocrinus, Abacocrinus, Abactinocrinus, Abathocrinus, Abatocrinus, Abludoglyptocrinus, Acacocrinus, Acrocrinus, Agaricocrinus, Agathocrinus, Alisocrinus, Allocrinus, Alloprosallocrinus, Amarsupiocrinus, Amblacrinus, Amonohexacrinus, Amphoracrinus, Amphoracrocrinus, Ancalocrinus, Archaeocalyptocrinus, Arthroacantha, Aryballocrinus, Athabascacrinus, Azygocrinus, Barrandeocrinus, Batocrinus, Beyrichocrinus, Bikocrinus, Blairocrinus, Bogotacrinus, Bohemicocrinus, Bolicrinus, Boliviacrinus, Brahmacrinus, Briarocrinus, Cactocrinus, Calliocrinus, Camarocrinus, Canistrocrinus, Cantharocrinus, Carolicrinus, Carpocrinus, Caucacrocrinus, Celtocrinus, Centriocrinus, Cerasmocrinus, Chinacrinus, Clarkeocrinus, Clematocrinus, Clonocrinus, Closterocrinus, Coelocrinus, Comanthocrinus, Compsocrinus, Cordylocrinus, Corocrinus, Craterocrinus, Ctenocrinus, Culicocrinus, Cusacrinus, Cylicocrinus, Cytidocrinus, Cytocrinus, Cyttarocrinus, Desmidocrinus, Dialutocrinus, Diatorocrinus, Dilatocrinus, Dinacrocrinus, Displodocrinus, Dizygocrinus, Dorycrinus, Ectocrinus, Eocamptocrinus, Eopatelliocrinus, Eretmocrinus, Eucladocrinus, Eutelecrinus, Eutrochocrinus, Exsulacrinus, Glaphyocrinus, Globacrocrinus, Glyptocrinus, Hadrocrinus, Harrelicrinus, Himerocrinus, Hyrtanecrinus, Ibanocrinus, Iberocrinus, Ilmocrinus, Ivanovaecrinus, Krinocrinus, Kylixocrinus, Laurelocrinus, Lenneocrinus, Liomolgocrinus, Lobomelocrinus, Lyonicrinus, Macrocrinus, Maligneocrinus, Manillocrinus, Manticrinus, Marhoumacrinus, Marsupiocrinus, Melocrinites, Metacrocrinus, Metaeutelecrinus, Methabocrinus, Nanicrinus, Neocamtocrinus, Neodichocrinus, Nunnacrinus, Oehlerticrinus, Oenochoacrinus, Paiderocrinus, Pandanocrinus, Paracrocrinus, Paradichocrinus, Paragaricocrinus, Parahexacrinus, Paramegaliocrinus, Paramelocrinus, Paratalarocrinus, Patelliocrinus, Periechocrinus, Periglyptocrinus, Phrygilocrinus, Physetocrinus, Pimlicocrinus, Pithocrinus, Planacrocrinus, Platyacrocrinus, Platyhexacrinus, Plemnocrinus, Plesiocrinus, Polypeltes, Pradocrinus, Praedicticrinus, Prohexacrinus, Prokopicrinus, Promelocrinus, Protacrocrinus, Pterotocrinus, Pycnocrinus, Pyxidocrinus, Sampsonocrinus, Schizocrinus, Scyphocrinites, Shimantocrinus, Springeracrocrinus, Stamnocrinus, Steganocrinus, Stelidiocrinus, Stipatocrinus, Stiptocrinus, Strotocrinus, Struszocrinus, Sunwaptacrinus, Talarocrinus, Tarantocrinus, Technocrinus, Teleiocrinus, Thallocrinus, Thamnocrinus, Theleproktocrinus, Thomasocrinus, Tirocrinus, Trichotocrinus, Trybliocrinus, Typanocrinus, Wannerocrinus, Xenocrinus, Zenkericrinus, Zirocrinus