After Hou & Bergström, 1997
<==o Lamellipedia Hou & Bergström, 1997 sensu Hou & Bergström, 1997 [incl. Arachnomorpha Heider, 1913, emend. Størmer, 1944; Trilobitomorpha Størmer, 1944]
|--o †Marrellomorpha (Beurlen, 1934) Störmer, 1944
| |-- †Austromarrella klausmuelleri Haug, Castellani, Haug, Waloszek & Maas, 2012
| |-- †Furca bohemica Fritsch, 1908
| |-- †Vachonisia rogeri Lehmann, 1956 [Acercostraca Lehmann, 1955: Vachonisiida]
| |-- †Xylokoris chledophilia Siveter, Fortey, Sutton, Briggs & Siveter, 2007
| |-- †Marrella splendens Walcott, 1912 [Marrellida Raymond, 1935 [nom. correct. Størmer in Moore, 1959 pro Marrellina Raymond, 1935]: Marrellidae Walcott, 1912] M. Camb. WNA.
| `-- †Mimetaster hexagonalis Gürich, 1932 [Mimetasterida Beurlen, 1934: Mimetasteridae] L.Dev. NA.
`--o Artiopoda Hou & Bergström, 1997 [Trilobitomorpha Størmer, 1944] (trilobite-like arthropods; trilobiittimäiset niveljalkaiset)
|-- †Nectopleura Hou & Bergström, 1997
`--+-- †Conciliterga Hou & Bergström, 1997 (piilopyrstöiset)
|-- †Petalopleura Hou & Bergström, 1997
|-- †Trilobita Walch, 1771 (trilobites; trilobiitit)
`--+--o †Xenopoda Raymond, 1935 [Emeraldellida Störmer, 1944; Prochelicerata Störmer, 1944]
| |--o †Emeraldellida Störmer, 1944
| | `--o †Emeraldellidae Raymond, 1935
| | `-- †Emeraldella brocki Walcott, 1912; M. Camb. WNA.
| `--o †Limulavida Walcott, 1911
| `--o †Sidneyiidae Walcott, 1911
| `-- †Sidneyia inexpectans Walcott, 1911
|-- †Aglaspidida Walcott, 1911 emend. Bergström, 1968 [sensu lato?]
`-- Chelicerata Heymons, 1901 (chelicerates; kynsileukaiset)
Reference(s):
- García-Bellido, D. C. & Collins, D. H., 2006: A new study of Marrella splendens (Arthropoda, Marrellomorpha) from the Middle Cambrian Burgess Shale, British Columbia, Canada.
–Canadian Journal of Earth Sciencies: Vol. 43, pp. 721-742
- Haug, J. T., Castellani, C., Haug, C., Waloszek, D. & Maas, A., 2012: A Marrella-Like Arthropod from the Cambrian of Australia: A New Link Between “Orsten”-Type and Burgess Shale Assemblages.
–Acta Palaeontologica Polonica: Vol. 58, #3, pp. 629-639 [doi: 10.4202/app.2011.0120]
- Hou X. & Bergström, J., 1997: Arthropods of the Lower Cambrian Chengjiang fauna, southwest China.
–Fossils & Strata, Number 45, 22nd December 1997, pp. 1-116
- Størmer, L., Petrunkevitch, A. & Hedgpeth, J. W., 1955: Arthropoda 2 – Chelicerata with sections on Pycnogonida and Palaeoisopus. xvii-181
in Moore, R. C. (ed.): Treatise on Invertebrate Paleontology – Part P
–Geological Society of America and University of Kansas Press, Lawrence, 1955