After Whittington, Chang, Dean, Fortey, Jell, Laurie, Palmer, Repina, Rushton & Shergold, 1997
<==o †Hebediscidae Kobayashi, 1944a [nom. transl. Jell in Whittington, et al., 1997, ex Hebediscinae Kobayashi, 1944a] [Delgadoiinae Kobayashi, 1943; Pagetiellinae S. Zhang in W. Zhang, Lu, et al., 1980; Dicerodiscinae S. Zhang in W. Zhang, Lu, et al., 1980] |--o †Hebediscus Whitehouse, 1936 | `-- †H. attleborensis (Shaler & Foerste, 1888) [Ptychoparia attleborensis Shaler & Foerste, 1888] |--o †Delgadella Walcott, 1912 [Alemtejoia Kobayashi, 1943; Delgadoia Vogdes, 1917; Delgadodiscus Kobayashi, 1935; Pagetiellus Lermontova, 1940; Pentagonalia Geyer, 1988] | |-- †D. lusitanica (Delgado, 1904) [Lingulepis lusitanica Delgado, 1904] | |-- †D. souzai (Delgado, 1904) [Microdiscus souzai Delgado, 1904; Alemtejoia souzai (Delgado) Kobayashi, 1943] | |-- †D. caudatus (Delgado,1904) [Microdiscus caudatus Delgado, 1904; Delgadoia caudatus (Delgado) Vogdes, 1917; Delgadodiscus caudatus Kobayashi, 1935] | |-- †D. lenaicus (Toll, 1899) [Microdiscus tenaicus Toll, 1899; Pagetiellus lenaicus (Toll) Lermontova, 1940] | `-- D. amouslekensis (Geyer, 1988) [Pentagonalia amouslekensis Geyer, 1988] |--o †Dicerodiscus W. Zhang, 1964 | |-- †D. tsunyiensis W. Zhang, 1964 | `-- †D. pertenus |--o †Luvsanodiscus Korobov, 1980 | `-- †L. gammatus Korobov, 1980 |--o †Natalina E. Romanenko in Repina, Romanenko, 1978 [Limbadiscus Korobov, 1980] | |-- †N. incina E. Romanenko in Repina, Romanenko, 1978 | `-- †N. dilatum (Korobov, 1980) [Limbadiscus dilatum Korobov, 1980] |--o †Neopagetina Pokrovskaya, 1960 [nom. nov. pro Pagetina Lermontova, 1940 non Barnard, 1931] | `-- †N. rjonsnitzkii (Lermontova, 1940) [Pagetina rjonsnitzkii Lermontova, 1940] |--o †Parapagetina Repina in Repina et al., 1964 [Planodiscus Korobov, 1980] | |-- †P. limbata Repina in Repina et al., 1964 | |-- †P. patulus (Korobov, 1980) [Planodiscus patulus Korobov, 1980] | `-- †P. plana E. Romanenko `--o †Tchernyshevioides Hajrullina in Repina, Petrunina & Hajrullina, 1975 `-- †T. ninae Hajrullina in Repina, Petrunina & Hajrullina, 1975
Reference(s):
- Whittington, H. B., Chang, W. T., Dean, W. T., Fortey, R. A., Jell, P. A., Laurie, J. R., Palmer, A. R., Repina, L. N., Rushton, A. W. A. & Shergold, J. H., 1997: Systematic Description of the class Trilobita. 331-481.
in Kaesler, R. L., (eds.) 1997: Treatise on Invertebrate Paleontology, Part O, Arthropoda 1, Trilobita, Revisited, vol 1: Indroduction, Order Agnostida; Order Redlichiida.
–The Geological Society of America, Inc. and The University of Kansas, Boulder, Colorado & Lawrence, Kansas, 1997, xxiv-530