''Hydrocanthus'' is a genus of

beetle Beetles are insects that form the order Coleoptera (), in the superorder Endopterygota. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 400,000 describ ...

s in the family

Noteridae Noteridae is a family of adephagan water beetles closely related to the Dytiscidae, and formerly classified with them. They are mainly distinguished by the presence of a distinctive "noterid platform" underneath, in the form of a plate between t ...

, containing the following species: * ‡'' Hydrocanthus acrobeles'' Guignot, 1953 * ‡'' Hydrocanthus adrasus'' Guignot, 1950 * '' Hydrocanthus advena'' Sharp, 1882 * ‡'' Hydrocanthus alter'' Guignot, 1959 * '' Hydrocanthus ancus'' Guignot, 1942 * '' Hydrocanthus atripennis'' Say, 1830 * ‡'' Hydrocanthus australasiae'' Wehncke, 1876 * ‡'' Hydrocanthus balkei'' Toledo & Hendrich 2006Toledo M. & Hendrich L. 2006: Taxonomic revision of the Australasian Hydrocanthus Say 1833, with description of two new species (Coleoptera: Noteridae). Linzer Biologische Beiträge 38(1): 935-952
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/ref> * ‡'' Hydrocanthus carbonarius'' Guignot, 1936 - This species was not included in Nilsson's revised catalogue of 2011. * ‡'' Hydrocanthus colini'' Zimmermann, 1926 * ‡'' Hydrocanthus congoanus'' Gschwendtner, 1930 * ‡'' Hydrocanthus congrex'' Guignot, 1959 * ‡'' Hydrocanthus consimilis'' Gschwendtner, 1938 * ‡'' Hydrocanthus constrictus'' Régimbart, 1895 * '' Hydrocanthus debilis'' Sharp, 1882 * ‡'' Hydrocanthus delphinus'' Guignot, 1942 * ‡'' Hydrocanthus fabiennae'' Bameul, 1994 * '' Hydrocanthus fasciatus'' Steinheil, 1869 * ‡'' Hydrocanthus ferruginicollis'' Régimbart, 1895 * ‡'' Hydrocanthus funebris'' Fairmaire, 1869 * ‡'' Hydrocanthus gracilis'' H.J.Kolbe, 1883 * ‡'' Hydrocanthus grandis'' (Laporte, 1835) * '' Hydrocanthus guignoti'' Young, 1985 * ‡'' Hydrocanthus impunctatus'' Gschwendtner, 1932 * ‡''

Hydrocanthus indicus ''Hydrocanthus'' is a genus of beetles in the family Noteridae Noteridae is a family of adephagan water beetles closely related to the Dytiscidae, and formerly classified with them. They are mainly distinguished by the presence of a distinct ...

'' Wehncke, 1876 * ‡'' Hydrocanthus insolitus'' Bilardo & Rocchi, 1987 * '' Hydrocanthus iricolor'' Say, 1823 * ‡'' Hydrocanthus klarae'' Gschwendtner, 1930 * ‡'' Hydrocanthus leleupi'' Guignot, 1955 * '' Hydrocanthus levigatus'' (Brullé, 1837) * '' Hydrocanthus marmoratus'' Sharp, 1882 * ‡'' Hydrocanthus micans'' Wehncke, 1883 * ‡'' Hydrocanthus mocquerysi'' Régimbart, 1895 * '' Hydrocanthus oblongus'' Sharp, 1882 * '' Hydrocanthus occidentalis'' Young, 1985 * '' Hydrocanthus pallisteri'' Young, 1985 * ‡'' Hydrocanthus paludicola'' Guignot, 1951 * '' Hydrocanthus paludimonstrus'' K.B.Miller, 2001 * '' Hydrocanthus paraguayensis'' Zimmermann, 1928 * ‡'' Hydrocanthus parvulus'' Gschwendtner, 1930 * ‡'' Hydrocanthus pederzanii'' Toledo & Hendrich, 2006 * ‡'' Hydrocanthus prolixus'' Sharp, 1904 * '' Hydrocanthus regius'' Young, 1953 * '' Hydrocanthus rubiginosus'' Guignot, 1942 * ‡'' Hydrocanthus secutor'' Guignot, 1955 * '' Hydrocanthus sharpi'' Zimmermann, 1928 * ‡'' Hydrocanthus sicarius'' Guignot, 1947 * '' Hydrocanthus socius'' R.F.Sahlberg, 1844 * ‡'' Hydrocanthus subplanatus'' Gschwendtner, 1933 * ‡'' Hydrocanthus upembicus'' Guignot, 1954 * ‡'' Hydrocanthus vadoni'' Guignot, 1936 * ‡'' Hydrocanthus waterhousei'' Blackburn, 1888 * ‡'' Hydrocanthus wittei'' Gschwendtner, 1930 In 2016, Baca et al.Baca, S.M., Toussaint, E.F.A., Miller, K.B. & Short, A.E.Z. (2016). Molecular phylogeny of the aquatic beetle family Noteridae (Coleoptera: Adephaga) with an emphasis on partitioning strategies. Molecular phylogenetics and Evolution, 107: 282–292
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/ref> split this genus into two, reviving the subgeneric name ''Sternocanthus'' Guignot, 1948 and elevating it to the rank of genus. The species which were transferred to that genus are indicated with the symbol ‡.

References

Noteridae Adephaga genera {{Noteridae-stub