Prosystenus

Prosystenus; Temporal range:
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
Family:	Dolichopodidae
Genus:	†Prosystenus; Negrobov, 1976[1]
Species:	†P. zherichini
Binomial name
	†Prosystenus zherichini; Negrobov, 1976[1]

Prosystenus is an extinct genus of flies in the family Dolichopodidae, from the Middle Eocene of Sakhalin Island in the Russian Far East. It contains only one species, Prosystenus zherichini, described from Sakhalin amber. It is the oldest confirmed representative of the Dolichopodidae in its strict sense, excluding the subfamilies Microphorinae and Parathalassiinae.[2]

References

Negrobov, O. P. (1976). "A New Genus of the Family Dolichopodidae (Diptera) from the Paleogene Retinites of the Sea of Okhotsk". Paleontological Journal. 10 (4): 495–498.
Pollet, M.A.A.; Brooks, S.E. (2008). "Long-Legged Flies (Diptera: Dolichopodidae)". In Capinera, J.L. (ed.). Encyclopedia of Entomology. Dordrecht: Springer. pp. 2232–2241. doi:10.1007/978-1-4020-6359-6_2087. ISBN 978-1-4020-6242-1.

Evenhuis, N.L. (2 Apr 2014). "Family Dolichopodidae". Catalog of the fossil flies of the world (Insecta: Diptera) website. 2.0.

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[Negrobov1976-1] Negrobov, O. P. (1976). "A New Genus of the Family Dolichopodidae (Diptera) from the Paleogene Retinites of the Sea of Okhotsk". Paleontological Journal. 10 (4): 495–498.

[2] Pollet, M.A.A.; Brooks, S.E. (2008). "Long-Legged Flies (Diptera: Dolichopodidae)". In Capinera, J.L. (ed.). Encyclopedia of Entomology. Dordrecht: Springer. pp. 2232–2241. doi:10.1007/978-1-4020-6359-6_2087. ISBN 978-1-4020-6242-1.