Acanthonyx
{{Taxobox
| name = Acanthonyx
| regnum = Animalia
| phylum = Arthropoda
| subphylum = Crustacea
| classis = Malacostraca
| ordo = Decapoda
| infraordo = Brachyura
| familia = Epialtidae
| subfamilia = Epialtinae
| genus = Acanthonyx
| genus_authority = Latreille, 1828
| subdivision_ranks = Species
| subdivision = Vide commentarium.}}Acanthonyx''' est genus Brachyurorum familiae Epialtidarum. Species iam agnotae sunt:
 Acanthonyx consobrinus A. Milne-Edwards, 1862
 Acanthonyx dentatus H. Milne-Edwards, 1834
 Acanthonyx depressifrons Manning & Holthuis, 1981
 Acanthonyx dissimulatus Coelho, 1993
 Acanthonyx elongatus Miers, 1877
 Acanthonyx euryseroche Griffin & Tranter, 1986
 Acanthonyx formosa Wu, Yu & Ng, 1999
 Acanthonyx inglei Tirmizi & Kazmi, 1988
 Acanthonyx limbatus A. Milne-Edwards, 1862
 Acanthonyx lunulatus (Risso, 1816) 
 Acanthonyx minor Manning & Holthuis, 1981
 ?Acanthonyx nodulosa (Dana, 1852)
 Acanthonyx petiverii H. Milne-Edwards, 1834
 Acanthonyx quadridentatus Krauss, 1843
 Acanthonyx sanctaehelenae Chace, 1966
 Acanthonyx scutellatus MacLeay, 1838
 Acanthonyx scutiformis (Dana, 1851)
 Acanthonyx undulatus'' Barnard, 1947

Notae

Epialtidae
Taxa Latreille
Taxa 1828