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Hydrochinae

Insecta - Coleoptera - Hydrophilidae

Taxonomy
Hydrochinae was named by Thomson (1859). It is extant.

It was reranked as the family Hydrochidae by Crowson (1981), Short and Fikáček (2013) and Cai et al. (2022).

It was assigned to Hydrophilidae by Lawrence and Newton (1995) and Bouchard et al. (2011); and to Hydrophiloidea by Crowson (1981), Short and Fikáček (2013) and Cai et al. (2022).

Subtaxa

Synonymy list
YearName and author
1859Hydrochinae Thomson
1981Hydrochidae Crowson p. 694
1995Hydrochinae Lawrence and Newton, Jr.
2011Hydrochinae Bouchard et al.
2013Hydrochidae Short and Fikáček
2022Hydrochidae Cai et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
superclassHexapodaLatreille 1825
classInsecta
Dicondylia
Paranotalia
subclassPterygota()
NeopterygotaCrampton 1924
infraclassNeopteraMartynov 1923
RankNameAuthor
Holometabola
Aparaglossata
Neuropteriformia
Coleopterida
orderColeoptera
Mesocoleoptera
Metacoleoptera
suborderPolyphagaEmery 1886
infraorderStaphyliniformia
superfamilyHydrophiloidea
familyHydrophilidae
subfamilyHydrochinaeThomson 1859
subfamilyHydrochinaeThomson 1859

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Subfm. Hydrochinae Thomson 1859
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G. Hydrochus Germar 1824
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Hydrochus amictus Scudder 1890
Hydrochus elongatus Schaller 1783
Hydrochus relictus Scudder 1890
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: chitinc
Environment: terrestrialc
Locomotion: actively mobilep
Created: 2017-04-17 09:56:18
Modified: 2017-04-17 09:56:18
Source: c = class, p = phylum
References: Bush and Bambach 2015, Kiessling 2004

Age range

Maximum range based only on fossils: base of the Bridgerian to the top of the Late/Upper Pleistocene or 50.30000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 46.2 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Bridgerian50.3 - 46.2USA (Wyoming) Hydrochus relictus (122090)
Middle Pleistocene0.781 - 0.126United Kingdom Hydrochus elongatus (168270 168271)
Late/Upper Pleistocene0.126 - 0.0117USA (Ohio) Hydrochus amictus (152574)