Actumnus

Actumnus is a genus of crabs in the family Pilumnidae. Alongside the 28 extant species, it has a fossil record extending back into the Miocene.[2]

Actumnus Temporal range: Miocene–Recent PreꞒ Ꞓ O S D C P T J K Pg N
Actumnus digitalis
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Crustacea
Class:	Malacostraca
Order:	Decapoda
Infraorder:	Brachyura
Family:	Pilumnidae
Genus:	Actumnus Dana, 1851 [1]
Type species
Actumnus tomensotus Dana, 1852

Species

Actumnus contains 28 extant species:[3]

• Actumnus amirantensis Rathbun, 1911
• Actumnus anthelmei Ward, 1942
• Actumnus arbutum Alcock, 1898
• Actumnus asper (Rüppell, 1830)
• Actumnus calypso (Herbst, 1801)
• Actumnus davoensis Ward, 1941
• Actumnus digitalis (Rathbun, 1907)
• Actumnus dorsipes (Stimpson, 1858)
• Actumnus elegans De Man, 1888
• Actumnus fissifrons Alcock, 1898
• Actumnus forficigerus (Stimpson, 1858)
• Actumnus globulus Heller, 1891
• Actumnus granotuberosus Garth & Kim, 1983
• Actumnus griffini Takeda & Webber, 2006
• Actumnus intermedius Balss, 1922
• Actumnus margarodes MacGilchrist, 1905
• Actumnus marissinicus Takeda & Miyake, 1977
• Actumnus miliaris A. Milne-Edwards, 1865
• Actumnus obesus Dana, 1852
• Actumnus parvulus A. Milne-Edwards, 1865
• Actumnus setifer (De Haan, 1835)
• Actumnus setosiareolatus Takeda, 1977
• Actumnus similis Takeda & Miyake, 1969
• Actumnus simplex Rathbun, 1911
• Actumnus squamosus (De Haan, 1835)
• Actumnus taiwanicus Ho, Yu & Ng, 2001
• Actumnus targionii Cano, 1889
• Actumnus tesselatus Alcock, 1898

Two further species are known only from fossils.[1]

References

1. Sammy De Grave; N. Dean Pentcheff; Shane T. Ahyong; et al. (2009). "A classification of living and fossil genera of decapod crustaceans" (PDF). Raffles Bulletin of Zoology. Suppl. 21: 1–109. Archived from the original (PDF) on 2011-06-06.
2. Hiroaki Karasawa; Carrie E. Schweitzer (2006). "A new classification of the Xanthoidea sensu lato (Crustacea: Decapoda: Brachyura) based on phylogenetic analysis and traditional systematics and evaluation of all fossil Xanthoidea sensu lato". Contributions to Zoology. 75 (1/2): 23–73. Archived from the original (PDF) on 2016-03-03. Retrieved 2010-01-16.
3. Peter K. L. Ng; Danièle Guinot; Peter J. F. Davie (2008). "Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world" (PDF). Raffles Bulletin of Zoology. 17: 1–286. Archived from the original (PDF) on 2011-06-06.