Archichrysotus

Archichrysotus is an extinct genus of flies in the family Dolichopodidae. The generic name is a combination of the Greek prefix archi- ("the first") and the generic name Chrysotus.^[1] The genus is known from Upper Cretaceous amber from the Taymyr Peninsula in Russia, New Jersey in the United States and Cedar Lake in Manitoba, Canada.^[1][2]

Archichrysotus Temporal range: Upper Cretaceous, 94.3–70.6 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
Family:	Dolichopodidae
Subfamily:	Parathalassiinae
Genus:	†Archichrysotus Negrobov, 1978[1]
Type species
†Archichrysotus hennigi Negrobov, 1978[1]

Species

The genus contains four species:

• †Archichrysotus hennigi Negrobov, 1978^[1] – Taymyr amber, Coniacian/Santonian
• †Archichrysotus incompletus Grimaldi & Cumming, 1999^[2] – New Jersey amber, Turonian
• †Archichrysotus manitobus Grimaldi & Cumming, 1999^[2] – Canadian amber, Campanian
• †Archichrysotus minor Negrobov, 1978^[1] – Taymyr amber, Coniacian/Santonian