After Størmer, Petrunkevitch & Hedgpeth, 1955
<==o †Aglaspidida Walcott, 1911 [sensu lato?] |--o †Aglaspidida Walcott, 1911 [sensu stricto?] | |?- †Lemoneites [Lemoneitidae] [also treated as Xiphosuran] | |-- †Beckwithia typa Resser, 1931 [Beckwithiidae Raasch, 1939] | `--o †Aglaspididae Miller, 1877 | |--o †Aglaspis Hall, 1862 | | |-- †A. barrandei Hall, 1862 | | |-- †A. spinifera Raasch | | `-- †A. simplex Raasch | |--o †Aglaspella Raasch, 1939 | | |-- †granulifera | | `-- †eatoni Raasch, 1939 | |-- †Glypharthrus thomasi (Walter, 1924) Raasch, 1939 [Eurypterus thomasi Walter, 1924] | |-- †Aglaspoides sculptilis Raasch, 1939 | |-- †Uarthrus instabilis Raasch, 1939 | |-- †Cyclopites vulgaris (Raasch, 1939) Raasch, 1952 [Cyclopina vulgaris Raasch, 1939] | |-- †Craspedops modesta Raasch, 1939 | `-- †Setaspis spinulosa Raasch, 1939 `--o †Strabopida Gerhardt, 1932 `--o †Strabopidae Gerhardt, 1932 [Paleomeridae Størmer, 1955] |-- †Paleomerus hamiltoni Størmer, 1955 [Paleomeridae] |-- †Strabops thacheri Beecher, 1901 [non Jordan, 1904] `?- †Neostrabops martini Caster & Macke, 1952
Reference(s):
- 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