PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Palaeomedeterus

Insecta - Diptera - Dolichopodidae

Taxonomy

Paleomedeterus was named by Meunier (1895). Its type is Palaeomedeterus culiciformis.

It was corrected as Palaeomedeterus by Meunier (1899), Evenhuis (1994), Grichanov and Negrobov (2018), Bickel (2022), Grichanov (2023), Grichanov (2025).

It was assigned to Dolichopodidae by Meunier (1899), Evenhuis (1994); and to Peloropeodinae by Grichanov and Negrobov (2018), Bickel (2022), Grichanov (2023), Grichanov (2025).

Species

P. bifurcatus, P. cambayensis, P. hirsutus, P. horridus (syn. Sympycnites primaevus), P. ignavus, P. languidus, P. lassatus (syn. Palaeochrysotus fessus), P. lentus, P. manukyani, P. meunieri (syn. P. culiciformis), P. praeconcinnus (syn. Chrysotus concinnus), P. subignavus, P. sublentus, P. tertiarius

Synonyms

Palaeochrysotus was named by Meunier (1907).

It was synonymized subjectively with Palaeomedeterus by Evenhuis (1994), Grichanov and Negrobov (2018), Grichanov (2025).

It was assigned to Dolichopodidae by Meunier (1907), Carpenter (1992).
Sympycnites was named by Grimaldi and Cumming (1999).

It was synonymized subjectively with Prohercostomus by Bickel (2022); it was synonymized subjectively with Palaeomedeterus by Grichanov (2025).

It was assigned to Dolichopodidae by Grimaldi and Cumming (1999).
Gheynia was named by Meunier (1899).

It was corrected as Gheynius by Meunier (1899); it was misspelled as Gheynius by Carpenter (1992), Ulrich and Schmelz (2001); it was synonymized subjectively with Palaeomedeterus by Grichanov and Negrobov (2018), Grichanov (2025).

It was assigned to Dolichopodidae by Meunier (1899), Carpenter (1992), Ulrich and Schmelz (2001).

Synonymy list

Year	Name and author
1899	Palaeomedeterus Meunier p. 174
1899	Gheynia Meunier p. 322
1899	Gheynius Meunier p. 322
1907	Palaeochrysotus Meunier p. 199
1992	Gheynius Carpenter
1992	Palaeochrysotus Carpenter
1994	Palaeomedeterus Evenhuis p. 366
1999	Sympycnites Grimaldi and Cumming p. 67
2001	Gheynia Ulrich and Schmelz
2018	Palaeomedeterus Grichanov and Negrobov p. 96
2022	Palaeomedeterus Bickel p. 481
2023	Palaeomedeterus Grichanov p. S256
2025	Palaeomedeterus Grichanov p. 2

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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
—	Panorpida
superorder	Antliophora
order	Diptera
—	Neodiptera	Michelsen 1994
suborder	Brachycera	Zetterstedt 1842
—	Heterodactyla
—	Eremoneura
superfamily	Empidoidea	Latreille 1804
family	Dolichopodidae	Latreille 1809
subfamily	Peloropeodinae	Robinson 1970
genus	Palaeomedeterus	()

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. †Palaeomedeterus Meunier 1895

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†Palaeomedeterus bifurcatus Meunier 1907

†Palaeomedeterus cambayensis Bickel 2022

†Palaeomedeterus hirsutus Meunier 1907

†Palaeomedeterus horridus Meunier 1907

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Invalid names: Sympycnites primaevus Grimaldi and Cumming 1999 [synonym]

†Palaeomedeterus ignavus Meunier 1907

†Palaeomedeterus languidus Meunier 1907

†Palaeomedeterus lassatus Meunier 1908

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Invalid names: Palaeochrysotus fessus Meunier 1907 [synonym]

†Palaeomedeterus lentus Meunier 1907

†Palaeomedeterus manukyani Grichanov 2025

†Palaeomedeterus meunieri Meuffels and Grootaert 1999

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Invalid names: Palaeomedeterus culiciformis Meunier 1899 [replaced]

†Palaeomedeterus praeconcinnus Evenhuis 1994

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Invalid names: Chrysotus concinnus Meunier 1907 [synonym]

†Palaeomedeterus subignavus Grichanov 2025

†Palaeomedeterus sublentus Grichanov 2025

†Palaeomedeterus tertiarius Meunier 1907

Invalid names: Gheynia Meunier 1899 [synonym], Palaeochrysotus Meunier 1907 [synonym], Sympycnites Grimaldi and Cumming 1999 [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: base of the Ypresian to the top of the Priabonian or 56.00000 to 33.90000 Ma

Collections (9 total)

Time interval	Ma	Country or state	Original ID and collection number
Ypresian	56.0 - 48.07	India (Gujarat)	P. cambayensis (228738) P. sp. (183742) P. sp., P. cambayensis (124463)
Priabonian	37.71 - 33.9	Russian Federation (Kaliningrad)	Gheynia bifurcata (125512) Palaeochrysotus fessus, Palaeochrysotus lassatus, Gheynius bifurcatus, Diaphorus tertiarius, Chrysotus concinnus, Palaeochrysotus horridus, Palaeochrysotus hirsutus, Palaeochrysotus ignavus, Palaeochrysotus lentus, Palaeochrysotus languidus, P. culiciforme (123927) Palaeochrysotus fessus, Palaeochrysotus lassatus, Gheynius bifurcatus, Palaeochrysotus hirsutus, Palaeochrysotus ignavus, Palaeochrysotus lentus, Palaeochrysotus languidus (124073) P. ignavus, P. lassatus, P. bifurcatus (124849) P. manukyani, P. subignavus, P. sublentus (192258) Sympycnites primaevus (123493)