After Okulitch, 1955
<==o †Metacyathida Bedford & Bedford, 1936 [nom. transl. Okulitch, 1955 pro Metacyathina Bedford & Bedford, 1936] [Archaeocyathida] |--o †Archaeocyathidae Taylor, 1910 [Spirocyathidae Taylor, 1910; Metacyathidae Bedford & Bedford, 1934; Flindersicyathidae Bedford & Bedford, 1937] | |--o †Archaeocyathus Bill., 1861 [Spirocyathus Hinde, 1889; Retecyathus Vologdin, 1932; Flindersicyathus Bedford & Bedford, 1937; ?Protopharetra Born., 1884] L.Camb. | | `-- †A. atlanticus Bill., 1861 | |--o †Araneocyathus Vologdin, 1937; L.Camb. NCAs. | | `-- †A. ratschkovskyi Vologdin, 1937; Okulitch, 1955 | |--o †Archaeopharetra Bedford & Bedford, 1936; L.Camb. Aust. | | `-- †A. typica Bedford & Bedford, 1936 | |--o †Copleicyathus Bedford & Bedford, 1937; L.Camb. NA. Aust. | | `-- †C. confertus Bedford & Bedford, 1937 | |--o †Metaldetes Taylor, 1910 [Metacyathus Bedford & Bedford, 1934] L.Camb. NA. Eu. As. Aust. | | `-- †M. cylindricus Taylor, 1910 | `--o †Protopharetra Born., 1884 | `-- †P. polymorpha Born., 1884; Simon, 1939 |--o †Pycnoidocyathidae Okulitch, 1950 [incl. Cambrocyathidae Okulitch, 1937] | |--o †Pycnoidocyathus Taylor, 1910 [Cambrocyathus Okulitch, 1937] L.-M.Camb. NA. NCAs. Aust. | | |--o †(Pycnoidocyathus) Taylor, 1910 | | | `-- †P. (P.) synapticulosus Taylor, 1910 | | `-- †(Archaeofungia) Taylor, 1910 [Metafungia Bedford & Bedford, 1934; Sibirecyathus Vologdin, 1937] | | `-- †P. (A.) ajax (Taylor, 1910) | |--o †Ardrossacyathus Bedford & Bedford, 1937; L.Camb. Aust. | | `-- †A. endotheca Bedford & Bedford, 1937 | |--o †Dendrocyathus Okulitch & Roots, 1947; L.Camb. WNA. | | `-- †D. unexpectans Okulitch & Roots, 1947 | |--o †Echinocyathus Term. & T., 1950; L.Camb. NAf. | | `-- †E. goundafensis Term. & T., 1950 | |--o †Loculicyathus Vologdin, 1931 | | `-- †L. irregulata | |--o †Metethmophyllum Okulitch, 1943 | | `-- †M. meeki (Walcott, 1891) [Ethmophyllum meeki Walcott, 1891] | |--o †Paranacyathus Bedford & Bedford, 1937 [pro Paracyathus Bedford & Bedford, 1936 non Edw.-H., 1848] [Spirocyathella Vologdin, 1940] L.-M.Camb. NCAs. Aust. | | `-- †P. parvus (Bedford & Bedford, 1936) [Paracyathus parvus Bedford & Bedford, 1936] | |--o †Sigmocyathus Bedford & Bedford, 1936 [Hemistillicidocyathus Ting, 1937] L.Camb. | | `-- †S. didymoteichus (Taylor, 1910) [Coscinocyathus didymoteichus Taylor, 1910] | `--o †Sigmofungia Bedford & Bedford, 1936; L.Camb. Aust. | `-- †S. flindersi Bedford & Bedford, 1936 `--o †Metacoscinidae Bedford & Bedford, 1936 |--o †Metacoscinus Bedford & Bedford, 1934; L.Camb. Aust. | `-- †M. reteseptatum Bedford & Bedford, 1934 |--o †Altaicyathus Vologdin, 1932; M.Camb. NCAs. CAs. | `-- †A. nobilis Vologdin, 1932 |--o †Archaeosycon Taylor, 1910 [=? Altaicyathus Vologdin, 1932; Aptocyathus Vologdin, 1937] L.-M.Camb. NA. NCAs. | `-- †A. billingsi (Walcott, 1886) [Archaeocyathus billingsi Walcott, 1886] |--o †Claruscyathus Vologdin, 1932 [Eucyathus Vologdin, 1937] L.-M.Camb. NCAs. Ant. | |-- †C. cumfundus Vologdin, 1932 | `-- †C. solidus (Vologdin) `--o †Paracoscinus Bedford & Bedford, 1936; L.Camb. Aust. `-- †P. mirabile Bedford & Bedford, 1936
Reference(s):
- Okulitch, V. J., 1955: Part E – Archaeocyatha and Porifera. Archaeocyatha, E1-E20
in Moore, R. C., (ed.) 1955: Treatise on Invertebrate Paleontology.
–Geological Society of America & University of Kansas Press, Lawrence, Kansas, 1955, xviii-E122