PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Hydrophilus

Insecta - Coleoptera - Hydrophilidae

Taxonomy

Hydrophilus was named by Geoffroy (1762). It is extant. It is the type genus of Hydrophiloidea, Hydrophilidae, Hydrophilina, Hydrophilini, Hydrophilinae.

It was replaced with Hydrous by Linnaeus (1775).

It was assigned to Coleoptera by Geoffroy (1762), Schaeffer (1766), Müller (1776), Latreille (1796) and Herbst (1797); to Eleuterata by Fabricius (1775), Fabricius (1792) and Fabricius (1801); to Hydrophilii by Latreille (1802); to Hydrophilidae by Carpenter (1992); and to Hydrophilina by Fikáček et al. (2010), Fikáček et al. (2010) and Bouchard et al. (2011).

Species

H. antiquus, H. carbonarius, H. extricatus, H. gaudini, H. kuntzeni, H. magnificus, H. pergrandis, H. pistaceus, H. rottensis, H. ruminianus, H. spectabilis (syn. H. giganteus, H. knorrii), H. vexatorius

Synonyms

Hydrophilus ruminianus was named by Heer (1864). It is a compression fossil. Its type locality is Monod, near Chexbres, which is in an Aquitanian lacustrine horizon in Switzerland.

It was considered a nomen nudum by Heer (1864).
Hydrous was named by Linnaeus (1775). It is extant.

It was synonymized subjectively with Hydrophilus by Short and Fikáček (2013).

It was assigned to Coleoptera by Linnaeus (1775); and to Hydrophilidae by Zhang (1989).

Synonymy list

Year	Name and author
1762	Hydrophilus Geoffroy p. 180
1766	Hydrophilus Schaeffer
1775	Hydrophilus Fabricius p. 228
1775	Hydrous Linnaeus p. 7
1776	Hydrophilus Müller p. 68
1792	Hydrophilus Fabricius p. 182
1796	Hydrophilus Latreille p. 7
1797	Hydrophilus Herbst p. 287
1801	Hydrophilus Fabricius p. 249
1802	Hydrophilus Latreille p. 136
1864	Hydrophilus ruminianus Heer p. 381
1989	Hydrous Zhang p. 107
1992	Hydrophilus Carpenter
2010	Hydrophilus Fikáček et al. p. 745
2010	Hydrophilus Fikáček et al. p. 9
2011	Hydrophilus Bouchard et al. p. 156

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Ecdysozoa
—	Panarthropoda
phylum	Arthropoda	Latreille 1829
superclass	Hexapoda	Latreille 1825
class	Insecta
—	Dicondylia
—	Paranotalia
subclass	Pterygota	()
—	Neopterygota	Crampton 1924
infraclass	Neoptera	Martynov 1923
—	Holometabola

Rank	Name	Author
—	Aparaglossata
—	Neuropteriformia
—	Coleopterida
order	Coleoptera
—	Mesocoleoptera
—	Metacoleoptera
suborder	Polyphaga	Emery 1886
infraorder	Staphyliniformia
superfamily	Hydrophiloidea
family	Hydrophilidae
subfamily	Hydrophilinae	()
tribe	Hydrophilini
subtribe	Hydrophilina
genus	Hydrophilus

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.

G. Hydrophilus Geoffroy 1762

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†Hydrophilus antiquus Oustalet 1874

†Hydrophilus carbonarius Heer 1847

†Hydrophilus extricatus Scudder 1900

†Hydrophilus gaudini Heer 1862

†Hydrophilus kuntzeni Zeuner 1931

†Hydrophilus magnificus Piton and Théobald 1939

†Hydrophilus pergrandis Zhang 1989

Hydrophilus pistaceus Laporte de Castelnau 1840

†Hydrophilus rottensis Statz 1939

†Hydrophilus spectabilis Heer 1847

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Invalid names: Hydrophilus giganteus Heer 1862 [synonym], Hydrophilus knorrii Heer 1847 [synonym]

†Hydrophilus vexatorius Heer 1847

Invalid names: Hydrophilus ruminianus Heer 1864 [nomen nudum], Hydrous Linnaeus 1775 [synonym]

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: Kiessling 2004, Bush and Bambach 2015

Age range

Maximum range based only on fossils: base of the MP 11 to the top of the Late/Upper Pleistocene or 48.60000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 40.4 Ma

Collections (21 total)

Time interval	Ma	Country or state	Original ID and collection number
MP 11	48.6 - 40.4	Germany (Hessen)	H. sp. (120036 120798)
Chadronian	37.2 - 33.9	USA (Colorado)	Hydrocharis extricatus (106384)
Late/Upper Oligocene	28.4 - 23.03	France (Puy-de-Dome)	H. magnificus (155204)
Chattian	28.1 - 23.03	France (Bouches-Du-Rhone)	H. antiquus (123944)
Chattian	28.1 - 23.03	Germany (North Rhine-Westphalia)	Hydrous rottensis (122010)
Aquitanian	23.03 - 20.44	Germany	Hydrous sp., H. sp. (123872)
Aquitanian	23.03 - 20.44	Switzerland	H. gaudini, H. ruminianus (154053)
Burdigalian	20.44 - 15.97	Greece	H. vexatorius (144526)
Burdigalian	20.44 - 15.97	China (Shandong)	Hydrous pergrandis (128552)
MN 3	20.0 - 16.9	Czech Republic	H. pistaceus (105508)
Badenian	13.65 - 12.7	Austria (Steiermark)	H. carbonarius (115306)
Sarmatian	12.7 - 11.608	Germany (Wurttemberg)	H. kuntzeni (113752)
Sarmatian	12.7 - 11.608	Germany (Baden-Württemberg)	H. spectabilis (172253) H. spectabilis, H. giganteus (117252) H. vexatorius, H. knorrii (115305) H. vexatorius, H. spectabilis (115304)
Piacenzian	3.6 - 2.588	Japan	H. sp. (165738)
Chibanian	0.774 - 0.129	Japan	H. sp. (165700)
Late/Upper Pleistocene	0.129 - 0.0117	Peru	H. sp. (71346)
Late/Upper Pleistocene	0.129 - 0.0117	USA (California)	H. sp. (44954)