Staphyliniformia genera

genus of beetles

thumb|Agathidium varians

Georissus, also called minute mud-loving beetles, is the only genus in the beetle family Georissidae (or Georyssidae). They are tiny insects living in wet soil, often near water. They are found on every continent except Antarctica.

thumb|Saprinus splendens thumb|Saprinus semistriatus, UK thumb|Saprinus detritus, New Zealand

thumb|Helophorus grandis Helophorus is the only genus in the beetle family Helophoridae (traditionally included within Hydrophilidae as the subfamily Helophorinae) within the Hydrophiloidea. They are small insects, found mainly in the Holarctic region (150 occur in Palearctic and 41 species in North America), but two or three species also live in the Afrotropical region, Central America and one in the Indomalayan region (northern India).

Hydraena is a genus of minute moss beetles in the family Hydraenidae. There are more than 990 described species in Hydraena. thumb|Hydraena wolfi ==Systematics== There are at least 924 species in the genus Hydraena:

Syntelia is a genus of beetles. It is the only genus in the family Synteliidae. There are seven known species, which are native to high-elevation regions in southern North America from central Mexico to Guatemala, and in eastern Asia, from India to Japan and eastern Russia. They are generally associated with rotting logs, typically found under bark, though the Mexican species S. westwoodi has been found inside large decaying columnar cacti. Adults and larvae are predatory, feeding on insect larvae. A fossil species, Syntelia sunwukong, is known from the Late Cretaceous (Cenomanian) aged Burmes

Sphaerites is a genus of beetles, the only genus in the family Sphaeritidae, sometimes called the false clown beetles. There are five known species, which are widespread in temperate areas of the Northern Hemisphere, found in forested or upland areas.

Abraeus is a genus of hister beetles.

Oiceoptoma is a genus of carrion beetles.

Acritus is a genus of clown beetles in the family Histeridae. There are at least 110 described species in Acritus. thumb|Acritus nigricornis

Hippeutister is a genus of clown beetles in the family Histeridae. There are about six described species in Hippeutister.

Dendroxena is a genus of beetles in the family Silphidae.

Hololepta is a genus of clown beetles in the family Histeridae. There are at least 100 described species in Hololepta.

Hypocaccus is a genus of clown beetles in the family Histeridae. There are more than 120 described species in Hypocaccus. thumb|Hypocaccus rugifrons

Atholus is a genus of clown beetles in the family Histeridae. There are more than 70 described species in Atholus. thumb|Atholus scutellaris

Onthophilus is a genus of clown beetles in the family Histeridae. There are more than 40 described species in Onthophilus. Fossils of the genus have been discovered in Burmese amber, estimated to be 100 million years old. thumb|Onthophilus striatus

Haeterius is a genus of clown beetles in the family Histeridae. There are at least 20 described species in Haeterius.

Margarinotus is a genus of clown beetles in the family Histeridae. There are at least 110 described species in Margarinotus.

Hydrochus is the only living genus of beetle in the family Hydrochidae, which belongs to the superfamily Hydrophiloidea, and was formerly treated as a subfamily of Hydrophilidae. Hydrochus includes about 180 species, which are found worldwide. The name "Hydrochus" has also been used for a fly genus in the family Dolichopodidae, but this is a junior subjective synonym of the genus Rhaphium.

Psiloscelis is a genus of clown beetles in the family Histeridae. There are about 8 described species in Psiloscelis.

Necrodes is a genus of carrion beetles in the family Silphidae. There are at least four described species in Necrodes. thumb

Silpha is a genus of the family Silphidae, or carrion beetles, native to the Old World, with one species that is adventive in Canada.

Pinaxister is a genus of clown beetles in the family Histeridae. There are at least four described species in Pinaxister.

Pteroloma is a genus of carrion beetles.

Bacanius is a genus of clown beetles in the family Histeridae. There are more than 70 described species in Bacanius.

Omalodes is a genus of clown beetles in the family Histeridae. There are more than 60 described species in Omalodes.

Teretriosoma is a genus of clown beetles in the family Histeridae. There are about 11 described species in Teretriosoma.

Ulkeus is a genus of clown beetles in the family Histeridae. There are about six described species in Ulkeus.

Pteryx is a genus of beetles that is typically found in northern bogs in the Northern Hemisphere. They belong to the family Ptiliidae which is referred to as feather-winged beetles as the hindwings are narrow and feather-like. Like most of the rest of the family, Pteryx are very small and live in rotting vegetative matter. They prefer rotting wood and are generally found under the bark of rotting logs or stumps.

Niponius is a genus of clown beetles in the family Histeridae, the sole genus in the subfamily Niponiinae. There are more than 20 described species in Niponius.

thumb|alt=Paromalus parallelepipedus|Paromalus parallelepipedus Paromalus is a genus of clown beetles in the family Histeridae. There are at least 60 described species in Paromalus.

Renclasea is a genus of clown beetles in the family Histeridae. There are about six described species in Renclasea.

Reninus is a genus of clown beetles in the family Histeridae. There are about 13 described species in Reninus.

Spilodiscus is a genus of clown beetles in the family Histeridae. There are about 9 described species in Spilodiscus.

Pseudepierus is a genus of clown beetles in the family Histeridae. There are at least two described species in Pseudepierus.

Baeocrara is a genus of featherwing beetles named because of the intricate structure of their flight wings, which have a long fringe of hairs on their borders. They belong to the Ptiliidae family, and are minute: between 1 and 0.5 mm. They are mostly found in hollow fir stumps and other types of rotten wood, dung and plant detritus. They feed on fungal spores. They seem to be recent immigrants to Northern Europe possibly introduced by the import of sawmill products. They have been reported in the Czech Republic. They are one of the least known groups in the Coleoptera.

Aeletes is a genus of clown beetles in the family Histeridae. There are more than 80 described species in Aeletes.

Ptomaphagus is a genus of small carrion beetles in the family Leiodidae. There are at least 50 described species in Ptomaphagus.

Platylomalus is a genus of clown beetles in the family Histeridae. There are at least 60 described species in Platylomalus.

Anapleus is a genus of clown beetles in the family Histeridae. There are about 16 described species in Anapleus.

Anthroherpon, also spelled Antroherpon, is a genus of beetles in the family Leiodidae.

Iliotona is a genus of clown beetles in the family Histeridae. There are about five described species in Iliotona.

Gelae () is a genus of round fungus beetles belonging to the family Leiodidae. The beetles are found in different parts of Central and North America. They are small and rounded, feeding on slime moulds. They were originally placed in the genus Agathidium following the discovery of the first species, G. cognatum, in 1878. The taxonomic position was revised with description of new species in 2004 by American entomologists Kelly B. Miller and Quentin D. Wheeler. Upon creation of the new genus, the five new species are Gelae baen (sounding like "jelly bean"), G. belae ("jelly belly"), G. donut ("j

Platylister is a genus of clown beetles belonging to the family Histeridae.

Nargus is a genus of beetles belonging to the family Leiodidae.

Leiodes is a genus of round fungus beetles in the family Leiodidae. There are at least 110 described species in Leiodes.

Sciodrepoides is a genus of small carrion beetles in the family Leiodidae. There are about five described species in Sciodrepoides.

Peploglyptus is a genus of clown beetles in the family Histeridae. There are at least three described species in Peploglyptus.

Agyrtes is a genus of primitive carrion beetles in the family Agyrtidae. There are at least four described species in Agyrtes.

Ptiliodes is a genus of featherwing beetles in the beetle subfamily Ptiliinae tribe Ptiliini.

Aphaobius is a genus of beetles belonging to the family Leiodidae.

Oxelytrum is a genus of carrion beetles belonging to the family Silphidae.

Plaesius is a genus of clown beetles belonging to the family Histeridae.

Baranowskiella is a genus of beetles in the Ptiliidae family.

Nemadus is a genus of small carrion beetles in the family Leiodidae.

Abaeletes is a genus of beetles belonging to the subfamily Abraeinae under the family Histeridae.

Graciliella is a genus of cave beetle in the family Leiodidae. It was previously included in the genus Anthroherpon but DNA evidence showed that it is actually a more distantly related group of species. The paper in which Graciliella was published gained some media attention, with several stories picking up on the spider-like appearance of these beetles. Graciliella currently consists of six species, including the newly discovered Graciliella kosovaci and Graciliella ozimeci All species occur in subterranean habitats of the Dinaric Mountains, from Crvanj mountain (Bosnia and Herzegovina) in th

Leptinillus is a genus of mammal-nest beetles in the family Leiodidae. There are at least 2 described species in Leptinillus.

Discheramocephalus is a genus of feather-winged beetles, the smallest beetles on earth, first found in Cameroon. It was originally described in 2007 as a monotypic genus (only a single known species). Six additional species were added in 2008, and two were added in 2013.