Belongs within: Heterotremata.
The Hymenosomidae, false spider crabs, are a family of small crabs with a more or less flattened dorsum and relatively thin, weakly calcified cuticle.
<==Hymenosomidae [Hymenosomatidae, Hymenosomatoidea]
|--Hombronia depressa (Jacquinot 1853) [=Hymenosoma depressum, Hymenicus depressus]B64
|--TrigonoplaxMG-H11
| |--T. longirostris McCulloch 1908MG-H11
| `--T. spathulifera Lucas 1980J90
|--HymenicusB64
| |--H. cooki Filhol 1886 [=Halicarcinus cooki]B64
| |--H. edwardsi Filhol 1886B64
| |--H. haasti Filhol 1886 [=Halicarcinus haasti]B64
| |--H. marmoratus Chilton 1882 [=Halicarcinus marmoratus]B64
| |--H. pubescens Dana 1851B64
| `--H. varius Dana 1851B64
|--ElamenaB64
| |--E. kirki Filhol 1886B64
| |--E. longirostris Filhol 1886B64
| |--E. producta Kirk 1878B64
| |--E. quoyi Milne Edwards 1837B64
| |--E. umerata Lucas 1980HS15
| `--E. whitei Miers 1876 [=Halicarcinus whitei]B64
`--HalicarcinusB64
|--H. aotearoaHS01
|--H. bedfordi Montgomery 1931J90
|--H. huttoni Filhol 1886B64
|--H. innominatus Richardson 1949B64
|--H. lacustris (Chilton 1912) [=Hymenosoma lacustris]B64
|--H. planatus (Fabricius 1775)B64
|--H. pubescensHS01
|--H. tridentatus Jacquinot 1853B64
`--H. variusHS01
*Type species of generic name indicated
References
[B64] Bennett, E. W. 1964. The marine fauna of New Zealand: Crustacea Brachyura. New Zealand Department of Scientific and Industrial Research Bulletin 153: 1–120.
[HS01] Hayward, B. W., A. B. Stephenson, M. S. Morley, W. M. Blom, H. R. Grenfell, F. J. Brook, J. L. Riley, F. Thompson & J. J. Hayward. 2001. Marine biota of Parengarenga Harbour, Northland, New Zealand. Records of the Auckland Museum 37: 45–80.
[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.
[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.