PBDB Taxon

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

Helophorus (Meghelophorus)

Insecta - Coleoptera - Helophoridae

Taxonomy

Helophorus (Meghelophorus) was named by Kuwert (1886). It is extant.

It was assigned to Helophorus by Kuwert (1886), Angus (1973).

Subtaxa

Helophorus (Meghelophorus) aquaticus (syn. Helophorus (Praehelephorus) dzieduszyckii), Helophorus (Meghelophorus) grandis, Helophorus (Meghelophorus) khnzoriani

Species lacking formal opinion data

Helophorus oregonensis

Synonyms

Helophorus (Praehelephorus) was named by Lomnicki (1894).

It was synonymized subjectively with Helophorus (Meghelophorus) by Angus (1973).

It was assigned to Helophorus by Lomnicki (1894).

Synonymy list

Year	Name and author
1886	Helophorus (Meghelophorus) Kuwert
1894	Helophorus (Praehelephorus) Lomnicki p. 67
1973	Helophorus (Meghelophorus) Angus p. 303

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Ecdysozoa	Aguinaldo et al. 1997
—	Panarthropoda
phylum	Arthropoda	Gravenhorst 1843
—	Deuteropoda
—	Mandibulata
—	Pancrustacea	Zrzavý and Štys 1997
—	Altocrustacea	Regier et al. 2010
superclass	Allotriocarida
—	Athalassocarida
—	Labiocarida	Schwentner et al. 2017
superclass	Hexapoda	Latreille 1825
—	Cercofilata
class	Insecta
—	Dicondylia

Rank	Name	Author
—	Paranotalia
subclass	Pterygota	()
—	Neopterygota	Crampton 1924
infraclass	Neoptera	Martynov 1923
—	Holometabola
—	Aparaglossata
—	Neuropteriformia
—	Coleopterida
order	Coleoptera
—	Mesocoleoptera
—	Metacoleoptera
suborder	Polyphaga	Emery 1886
infraorder	Staphyliniformia
superfamily	Hydrophiloidea
family	Helophoridae	()
genus	Helophorus	()
subgenus	Meghelophorus	Kuwert 1886

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.

Subg. Helophorus (Meghelophorus) Kuwert 1886

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Helophorus (Meghelophorus) aquaticus Linnaeus 1758

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Invalid names: Helophorus (Praehelephorus) dzieduszyckii Lomnicki 1894 [synonym]

Helophorus (Meghelophorus) grandis Illiger 1798

Helophorus (Meghelophorus) khnzoriani Angus 1970

Invalid names: Helophorus (Praehelephorus) Lomnicki 1894 [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 Gelasian to the top of the Late/Upper Pleistocene or 2.58000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 1.8 Ma

Collections (6 total)

Time interval	Ma	Country or state	Original ID and collection number
Gelasian	2.58 - 1.8	Greenland	Helophorus khnzoriani (160109 160143 160144)
Late/Upper Pleistocene	0.129 - 0.0117	United Kingdom (Worcestershire)	Helophorus aquaticus (163070)
Late/Upper Pleistocene	0.129 - 0.0117	Ukraine	Helophorus aquaticus, Helophorus grandis (113753) Helophorus dzieduszyckii, Helophorus aquaticus (153476)