†Abicyathus
PaleoDB taxon number: 7329
Parent taxon: Cribricyathea according to J. J. Sepkoski 2002
Sister taxa: Achorocyathus, Akademiophyllum, Apocyathus, Archaeophyllum, Azyricyathus, Butovia, Capillicyathus, Cardiophyllum, Conoidocyathus, Cribricyathus, Crispus, Dolichocyathus, Dubius, Erphyllum, Gracilocyathus, Laceratus, Lagenicyathus, Leibaella, Lomatiocyathus, Longaevus, Longicyathus, Manacyathus, Peripteratocyathus, Pterocyathus, Pubericyathus, Pyxidocyathus, Radicicyathus, Ramifer, Rarocyathus, Sinosabellidites, Striatocyathus, Sunicyathus, Thecocyathus, Topolinocyathus, Tortocyathus, Turricyathus, Vologdinophyllum
Subtaxa: none