• Order †
Comarocystitida • ?Family †
Heckeritidae • †
Heckerites • Family †
Amygdalocystitidae • †
Achradocystites Volborth, 1870 • †
Amygdalocystites Billings, 1854 (=
Ottawacystis) (?=
Billingsocystis) • †
Oklahomacystis Parsley & Mintz, 1975 (Bassler, 1943) • †
Ovulocystites Frest et al., 1980 • Family †
Comarocystitidae Balther, 1899 • †
Comarocystites Billings, 1854 • †
Implicaticystis • †
Sinclairocystis • Order †
Platycystitida • Family †
Platycystitidae • Subfamily †
Canadocystinae Frest, Strimple, & Coney, 1979 • †
Canadocystis (=
Sigmacystis) • Subfamily †
Platycystitinae Frest, Strimple, & Coney, 1979 • †
Globulocystites Frest, Strimple, & Coney, 1979 • †
Globulocystites rotundatus Frest, Strimple, & Coney, 1979 (type) • †
Globulocystites cristatus (Bassler) (Referred to
Globulocystites by Frest, Strimple, & Coney, 1979) • †
Globulocystites infundus Frest, Strimple, & McGinnis, 1977, p. 215 (Referred to
Globulocystites from
Platycystites by Frest, Strimple, & Coney, 1979) • †
Platycystites Miller, 1889 • †
Platycystites faberi Miller, 1889 (type) • †
Platycystites ovalis Frest, Strimple, & Coney, 1979 • †
Platycystites sp. Frest, Strimple, & Coney, 1979 (NMNH 112086, Blackriverian, Bromide Formation, Carter County, Oklahoma) • †Family
Malocystitidae • †
Malocystites • †
Wellerocystis • †Family
Bistomiacystitidae • †
Bistomiacystis • Order
incertae sedis • †Family
Springerocystidae Bassler, 1950 (suggested as paracrinoids related to
Canadacystis by Sprinkle, 1973, but Parsley & Mintz, 1975 regarded them as eocrinoids, as originally described) • †
Columbocystis • †
Foerstecystis • †
Springerocystis Doubtful paracrinoids: • †
Allocystites (suggested as a paracrinoid related to
Canadacystis by Sprinkle, 1973 but not Parsley & Mintz, 1975) • †
Paleocystites • †
Ulrichocystis Phylogeny after Limbeck (2018) -+--
C. laevis (
Cryptocrinites laevis?) `--+--
Columbocystis ovata (
Columbocystis ovata? Eocrinoid) |--
Columbocystis typica `--+--+--
Bistomiacystis globosa | |--
Bistomiacystis schrantzi | `--
Achradocystites schmidti `--+--+--
Comarocystites punctatus | |--
Comarocystites tribrachius | |--
Implicaticystis shumardi | `--
Implicaticystis symmetricus `--+--
Canadocystis tennesseensis `--+--
Canadocystis barrandei |--
Canadocystis emmonsi `--+--
Malocystites murchisoni `--+--
Sinclairocystis praedicta |--+--
Amygdalocystites florealis | |--
Amygdalocystites radiatus | |--
Oklahomacystis bibrachiatus | |--
Oklahomacystis spissus | |--
Oklahomacystis tribrachiatus | |--
Oklahomacystis trigonis | `--
Wellerocystis kimmswickensis `--+--
Globulocystites cristatus |--
Globulocystites rotundatus |--
Globulocystites (originally
Platycystites)
infundus |--
Platycystites cristatus `--
Platycystites faberi ==References ==