After Whittington, Chang, Dean, Fortey, Jell, Laurie, Palmer, Repina, Rushton & Shergold, 1997 and Gon III, 2002
<==o †Asaphida Fortey & Chatterton, 1988 `--o ASAPHINA Fortey & Chatterton, 1988 |?- †Rhyssometopidae [incl. ?Mapaniidae; Plectriferidae] |?- †Monkaspididae [Chelidonocephalidae] (?) |--o †ANOMOCAROIDEA [Anomocaracea] | |-- †Anomocaridae [Anomocaracea:] | |-- †Pterocephalidae [incl. Housiidae] [Dikelocephalacae:] | |-- †Parabolinoididae [Illaenuracea:] | `-- †Dikelokephalinidae |--o †ASAPHOIDEA [Asaphacea] | |-- †Asaphidae | `-- †Ceratopygidae [Ceratopygacea] |--o †DIKELOKEPHALOIDEA [Dikelocephalacae; incl. Ptychaspidacea] | |-- †Dikelokephalidae [Dikelocephalidae] [Dikelocephalacae:] | |-- †Saukiidae [Ptychaspidacea:] | |-- †Ptychaspididae [Ptychaspidacea:] | |-- †Eurekiidae [Ptychaspidacea:] | `-- †Loganellidae [Remopleuridacea] |--o †REMOPLEURIDIOIDEA [Remopleuridacea] | |-- †Remopleurididae | |-- †Kainellidae | |-- †Opipeuteridae | |-- †Bohemillidae | |-- †Auritamiidae | |-- †Idahoiidae [Dikelocephalacae:] | `-- †Hungaiidae |--o †CYCLOPYGOIDEA [Cyclopygacea] | |-- †Cyclopygidae | |-- †Taihungshaniidae [Asaphacea:] | `-- †Nileidae [Asaphacea:] `--o †TRINUCLEIOIDEA [Trinucleina] |-- †Trinucleidae |-- †Dionididae [Tongxinaspididae] (?) |-- †Orometopidae [incl. Myindidae; Hapalopleuridae; Jegorovaiidae] |-- †Raphiophoridae |-- †Alsataspididae `-- †Liostracinidae
Reference(s):
- Gon III, S. M., 2002: Systematic listing of Trilobite families.
–iNet: http://www.aloha.net/~smgon/trisystem.htm - 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