After Størmer, Petrunkevitch & Hedgpeth, 1955
<==o †Aglaspidida Walcott, 1911 [sensu lato?]
|--o †Strabopida (Gerhardt, 1932) Hou & Bergström, 1997
| `--o †Strabopidae Gerhardt, 1932 [Paleomeridae Størmer, 1955]
| |-- †Paleomerus hamiltoni Størmer, 1955 [Paleomeridae]
| |-- †Strabops thacheri Beecher, 1901 [non Jordan, 1904]
| `-- †Neostrabops martini Caster & Macke, 1952
`--o †Aglaspidida Walcott, 1911 [sensu stricto?]
|?- †Chlupacaris dubia Van Roy, 2005
|?- †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
| |-- †A. granulifera
| `-- †A. 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
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