Exydrus

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Ordo: Coleoptera
Subordo: Polyphaga
Infraordo: Staphyliniformia
Superfamilia: Hydrophiloidea

Familia: Hydrophilidae
Subfamilia: Sphaeridiinae
Tribus: Tormissini
Genus: Exydrus
Species (1): E. gibbosus
Name

Exydrus Broun, 1886
Type species: Cyclonotum flavicorne Broun, 1880 [=Cyclonotum gibbosum Broun, 1880]
Fixation: subsequent designation by Knisch (1924: 106)

References

Hansen, M. 1991: The hydrophilid beetles: phylogeny, classification and a revision of the genera (Coleoptera, Hydrophiloidea). Biologiske skrifter, (40) ISBN 87-7304-226-9 Google books [see p. 183]
Hansen, M. 1997: Synopsis of the endemic New Zealand genera of the beetle subfamily Sphaeridiinae (Coleoptera: Hydrophilidae). New Zealand journal of zoology, 24: 351–370. DOI: 10.1080/03014223.1997.9518130
Leschen, R.A.B.; Lawrence, J.F.; Kuschel, G.; Thorpe, S.; Wang, Q. 2003: Coleoptera genera of New Zealand. New Zealand entomologist, 26: 15–28.
Macfarlane, R.P. et al. 2010: [Chapter] NINE Phylum ARTHROPODA SUBPHYLUM HEXAPODA Protura, springtails, Diplura, and insects. Pp. 233-467 in Gordon, D.P. (ed.): New Zealand inventory of biodiversity. Volume 2. Kingdom Animalia. Chaetognatha, Ecdysozoa, ichnofossils. Canterbury University Press, Christchurch, New Zealand. ISBN 978-1-87725793-3