Mikko's Phylogeny Archive Main Groups of Protostomes   Asaphida

After Gon, 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]
      |  |--o †Asaphidae
      |  |  `--o †Peraspis Whittington, 1965
      |  |     |-- †P. sp. [Ross, 1970]
      |  |     |-- †P. sp. [Dean, 1973]
      |  |     |-- †P. sp. [Fortey, 1975]
      |  |     `-- †P. lineolata Whittington, 1965
      |  `-- †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 Angelin, 1854 [Asaphacea:]
      `--o †TRINUCLEIOIDEA [Trinucleina]
         |-- †Trinucleidae
         |-- †Dionididae [Tongxinaspididae] (?)
         |-- †Orometopidae [incl. Myindidae; Hapalopleuridae; Jegorovaiidae]
         |-- †Raphiophoridae
         |-- †Alsataspididae
         `-- †Liostracinidae

    †Symphysurinidae Kobayashi, 1955 [Asaphidae: Symphysurininae]
        †Symphysurina Ulrich, in Walcott, 1924
            †S. brevis

Reference(s):

Gon III, S. M., 2002: Systematic listing of Trilobite families.
–iNet: http://www.aloha.net/~smgon/trisystem.htm