Sphaeridiinae
Checklist, Classification, and Synonymy of Genera and Subgenera
(after Hansen 1991, subfamily status follows Lawrence and Newton 1995)
- Tribe Rygmodini Orchymont 1916
- Genus Cylorygmus Orchymont 1933
- Genus Saphydrus Sharp 1884
- Genus Eurygmus Hansen 1990
- Genus Pseudohydrobius Blackburn 1898
- Genus Rygmostralia Orchymont 1933
- Genus Rygmodus White 1846
- Tribe Tormissini Hansen 1991
- Genus Tormus Sharp 1884
- Syn. Stygnohydrus Broun
1893
- Genus Exydrus Broun 1886
- Syn. Exhydrus Orchymont
1919
- Genus Hydrostygnus Sharp 1884
- Genus Tormissus Broun 1893
- Tribe Andotypini Hansen 1991
- Genus Andotypus Spangler 1979
- Genus Coelostomopsis Hansen 1990
- Tribe Borborophorini Hansen 1991
- Genus Borborophorus Hansen 1990
- Genus Petasopsis Hansen 1990
- Tribe Coelostomatini Heyden 1891
- Genus Cyloma Sharp 1872
- Syn. Psephoboragus Broun 1893
- Syn. Namostygnus Broun 1909
- Syn. Gitocyloma Broun 1915
- Genus Adolopus Sharp 1884
- Genus Hydroglobus Knisch 1921
- Genus Cyclotypus Sharp 1882
- Genus Coelostoma Brullé 1835
- Syn. Cercydium Klug 1833
- Syn. Cyclonotum Erichson 1837
- Subgenus Hammacoelostoma Mouchamps 1958
- Subgenus Holocoelostoma Mouchamps 1958
- Subgenus Lachnocoelostoma Mouchamps 1958
- Syn. Lachnocoelostoma Orchymont 1940
- Genus Coeloflectium Orchymont 1925
- Syn. Paraflectium Balfour-Browne 1945
- Genus Elocomosta Hansen 1989
- Genus Phaenonotum Sharp 1882
- Genus Phaenostoma Orchymont 1937
- Genus Coeloctenus Balfour-Browne 1939
- Genus Lacnodacnum Orchymont 1937
- Syn. Psilodacnum Orchymont 1937
- Genus Bourdonnaisia Scott 1913
- Genus Rhachiostethus Hansen 1989
- Genus Dactylostethus Orchymont 1919
- Genus Galapagodacnum Orchymont 1937
- Genus Dactylosternum Wollaston 1854
- Syn. Dactilosternum Kuwert 1890
- Syn. Cercydium Klug 1833
- Syn. Trichopoda Brullé 1835
- Syn. Macrocercyon Alluaud 1899
- Genus Kruia Spangler & Perkins 1981
- Tribe Protosternini Hansen 1991
- Genus Rhombosternum Balfour-Browne 1942
- Genus Protosternum Sharp 1890
- Syn. Blanodium Orchymont 1926
- Genus Mucetum Orchymont 1926
- Tribe Omicrini Smetana 1975
- Genus Heteryon Sharp 1882
- Genus Oreomicrus Malcolm 1980
- Genus Paromicrus Scott 1913
- Genus Aculomicrus Smetana 1990
- Syn. Aculomicrus Smetana 1975
- Genus Nannomicrus Bameul 1991
- Genus Psalitrus Orchymont 1919
- Genus Litrosurus Orchymont 1925
- Genus Omicrogiton Orchymont 1919
- Genus Microgioton Orchymont 1937
- Syn. Ischyromicrus Malcolm 1981
- Genus Omicrus Sharp 1879
- Syn. Perochthes Sharp 1882
- Syn. Perochtes Zaitzev 1908
- Syn. Phaenotypus Horn 1890
- Genus Peratogonus Sharp 1884
- Genus Noteropagus Orchymont 1919
- Tribe Megasternini Mulsant 1844
- Genus Cycreon Orchymont 1919
- Genus Cercyodes Broun 1886
- Genus Ercycodes Hansen 1990
- Genus Notocercyon Blackburn 1898
- Genus Ceronocyton Hansen 1990
- Genus Cenebriophilus Hansen 1990
- Genus Chledocyon Hansen 1990
- Genus Pseudoosternum Hansen 1990
- Genus Parastromus Balfour-Browne 1948
- Genus Armostus Sharp 1890
- Genus Morastus Orchymont 1926
- Genus Pilocnema Hansen 1990
- Genus Cetiocyon Hansen 1990
- Genus Peltocercyon Orchymont 1925
- Genus Cercyon Leach 1817
- Syn. Cercydion Latreille 1829
- Syn. Cerycon Rey 1886
- Syn. Ercycon Rey 1886
- Syn. Cheilocercyon Seidlitz 1888
- Syn. Chilocercyon Everts 1898
- Syn. Epicercyon Kuwert 1890
- Syn. Paraliocercyon Ganglbauer 1904
- Subgenus Paracercyon Seidlitz 1888
- Subgenus Dicyrtocercyon Ganglbauer 1904
- Subgenus Acycreon Orchymont 1942
- Subgenus Clinocercyon Orchymont
1942
- Subgenus Oedocercyon Orchymont 1942
- Subgenus Paracycreon Orchymont 1942
- Subgenus Prostercyon Smetana 1978
- Genus Deltostethus Sharp 1882
- Syn. Ictinosternum Smetana 1978
- Genus Agna Smetana 1978
- Genus Australocyon Hansen 1990
- Genus Kanala Balfour-Browne 1939
- Genus Nipponocercyon Satô 1963
- Genus Moraphilus Orchymont 1925
- Genus Pseudocercyon Orchymont 1926
- Genus Gillisius Orchymont 1925
- Genus Pseucyon Orchymont 1948
- Genus Pelosoma Mulsant 1844
- Syn. Merosoma Balfour-Browne 1939
- Genus Nitidulodes Sharp 1882
- Genus Pelocyon Balfour-Browne 1950
- Genus Paroosternum Scott 1913
- Genus Sacosternum Hansen 1989
- Genus Oosternum Sharp 1882
- Syn. Crypteuna Motschulsky 1863
- Genus Motonerus Hansen 1990
- Genus Pemelus Horn 1890
- Genus Emmidolium Orchymont 1937
- Genus Quadristernum Balfour-Browne 1950
- Genus Tectosternum Balfour-Browne 1958
- Genus Pacrillum Orchymont 1941
- Genus Megasternum Mulsant 1844
- Syn. Megalosternum LeConte 1855
- Genus Cercillum Knisch 1921
- Genus Cycrillum Knisch 1921
- Genus Pachysternum Motschulsky 1863
- Syn. Pigrillum Knisch 1921
- Genus Cyrtonion Hansen 1989
- Genus Cryptopleurum Mulsant 1844
- Genus Pyretus Balfour-Browne 1950
- Tribe Sphaeridiini Latreille 1802
- Genus Sphaeridium Fabricius 1775
- Syn. Sphaeridiolinus Minozzi 1921
Literature Cited
Hansen, M.
- 1991. The hydrophiloid beetles: Phylogeny, classification and a revision of the genera
(Coleoptera, Hydrophiloidea). Biol. Skrift. 40. 367 pp.
Lawrence, J. F., and A. F. Newton, Jr.
- 1995. Families and subfamilies of Coleoptera (with selectes genera, notes, references and data on family-group names, pp. 779-1006, In Biology, phylogeny, and classification of Coleoptera: Papers celebrating the 80th birthday of Roy A. Crowson. J. Pakaluk and S. A. Slipinski, eds. Muz. Inst. Zool. PAN, Warsaw.
Revised 23 October 1995
Warren U. Brigham
brigham@wub.igis.uiuc.edu