Belongs within: Heterotremata.
The Epialtidae are a group of spider crabs with a typically triangular carapace and a covering of hooked hairs that accumulate sediment and other debris for camouflage. Members have sunken orbits and short, often immobile eyestalks.
<==Epialtidae [Epialtinae]
|--Austrolibinia gracilipes (Miers 1879)MG-H11
|--Griffinia lappacea (Rathbun 1918)MG-H11
|--Lahaina agassizi (Rathbun 1902)HS15
|--Oxypleurodon wilsoni Richer de Forges & Poore 2008MG-H11
|--Epialtus brasiliensis (Dana 1852)TF08
|--Perinia tumida Dana 1852HS15
|--PhalangipusMG-H11
| |--P. australiensis Rathbun 1918HS15
| |--P. filiformis Rathbun 1916MG-H11
| |--P. hystrix (Miers 1886)MG-H11
| |--P. longipes (Linnaeus 1758)HS15
| `--P. trachysternus Griffin 1973HS15
|--MenaethiusTSH09
| |--M. monoceros (Latreille 1825)TSH09
| `--M. orientalis (Sakai 1969)TSH09
|--NaxoidesMG-H11
| |--N. robillardi (Miers 1882)MG-H11
| |--N. taurus (Pocock 1890)MG-H11
| `--N. tenuirostris (Haswell 1880)MG-H11
|--HyastenusMG-H11
| |--H. campbelli Griffin & Tranter 1986HS15
| |--H. convexus Miers 1884MG-H11
| |--H. diacanthus (de Haan 1839)J90
| |--H. elatus Griffin & Tranter 1986J90
| |--H. hilgendorfi De Man 1887HS15
| |--H. planasius (Adams & White 1848)HS15
| |--H. scrobiculatus Rathbun 1916HS15
| |--H. sebae White 1847J90
| `--H. uncifer Calman 1909HS15
|--RochiniaMG-H11
| |--R. annae Richer de Forges & Poore 2008MG-H11
| |--R. carinata Griffin & Tranter 1986MG-H11
| |--R. carpenteriPP64
| `--R. strangeri Serène & Lohavanijaya 1973MG-H11
|--Hoplophrys oatesi Henderson 1893HS15
|--Picrocerus armatus Milne Edwards 1865HS15
|--Thusaenys irami (Laurie 1906)HS15
|--TylocarcinusHS15
| |--T. dumerilii (Milne-Edwards 1834) [incl. Hyastenus macrospinosus Ward 1934]JG19
| `--T. styx (Herbst 1803)HS15
`--Xenocarcinus depressus Miers 1874HS15
*Type species of generic name indicated
References
[HS15] Hosie, A. M., A. Sampey, P. J. F. Davie & D. S. Jones. 2015. Kimberley marine biota. Historical data: crustaceans. Records of the Western Australian Museum Supplement 84: 247–285.
[JG19] James, D. J., P. T. Green, W. F. Humphreys & J. C. Z. Woinarski. 2019. Endemic species of Christmas Island, Indian Ocean. Records of the Western Australian Museum 34 (2): 55–114.
[J90] Jones, D. S. 1990. Annotated checklist of marine decapod Crustacea from Shark Bay, Western Australia. In: Berry, P. F., S. D. Bradshaw & B. R. Wilson (eds) Research in Shark Bay: Report of the France-Australe Bicentenary Expedition Committee pp. 169–208. Western Australian Museum.
[MG-H11] McEnnulty, F. R., K. L. Gowlett-Holmes, A. Williams, F. Althaus, J. Fromont, G. C. B. Poore, T. D. O’Hara, L. Marsh, P. Kott, S. Slack-Smith, P. Alderslade & M. V. Kitahara. 2011. The deepwater megabenthic invertebrates on the western continental margin of Australia (100–1100 m depths): composition, distribution and novelty. Records of the Western Australian Museum Supplement 80: 1–191.
[PP64] Peres, J. M., & J. Picard. 1964. Nouveau manuel de bionomie benthique de la mer Mediterranee. Recueil des Travaux de la Station Marine d’Endoume, Bulletin 31 (27): 5–137.
[TF08] Teixeira, G. M., V. Fransozo, A. L. Castilho, R. C. da Costa & F. A. de M. Freire. 2008. Size distribution and sex ration in the spider crab Epialtus brasiliensis (Dana 1852) associated with seaweed on a rocky shore in southeastern Brazil (Crustacea, Decapoda, Brachyura, Majoidea, Epialtidae). Senckenbergiana Biologica 88 (2): 169–175.
[TSH09] Titelius, M. A., A. Sampey & C. G. Hass. 2009. Crustaceans of Mermaid (Rowley Shoals), Scott and Seringapatam Reefs, north Western Australia. Records of the Western Australian Museum Supplement 77: 145–176.