Dolichopodidae, the long-legged flies, are a large, cosmopolitan family of true flies with more than 8,000 described species in about 250 genera. The genus Dolichopus is the most speciose, with some 600 species.
Hybotidae, the typical dance flies, are a family of true flies. They belong to the superfamily Empidoidea and were formerly included in the Empididae as a subfamily.
Tachydromiinae is a subfamily of hybotid flies widespread in the world.
Parathalassiinae is a subfamily of flies in the family Dolichopodidae. It is part of an extended concept of the family, Dolichopodidae sensu lato, and forms a monophyletic group with Dolichopodidae sensu stricto. It was once placed provisionally in the subfamily Microphorinae as the tribe Parathalassiini.
Neothalassius is a genus of flies in the family Dolichopodidae from Chile. It was recorded by Brooks & Cumming (2011) from the region, but was undescribed until 2016.
Eothalassius is a genus of flies in the family Dolichopodidae. It contains four described species, from Southeast Asia, Papua New Guinea, Costa Rica and the Mediterranean. It also contains three undescribed species, one from New Caledonia and two from Japan.
Chimerothalassius is a genus of flies in the family Dolichopodidae. It contains five described species, two from New Zealand, two from New Caledonia and one from the Caribbean. It also contains three undescribed species, two from New Zealand and one from Costa Rica.
Chersodromia is a genus of flies in the family Hybotidae.
Parathalassius is a genus of flies in the family Dolichopodidae. It is found along sandy sea coasts in both the Palaearctic and Nearctic realms. The name "Parathalassius" is of Greek origin, and can be translated as "near the sea".
Amphithalassius is a genus of flies in the family Dolichopodidae. It is found along sandy sea coasts in South Africa. It contains two described species, and three undescribed species known only from females. It is closely related to Plesiothalassius.
Plesiothalassius is a genus of flies in the family Dolichopodidae. It is found along sandy sea coasts in South Africa. It contains three described species. It is closely related to Amphithalassius.
Microphorinae is a subfamily of flies in the family Dolichopodidae. It is part of an expanded concept of the family, Dolichopodidae sensu lato, though it was previously considered a family of its own.
Avenaphora is an extinct genus of flies in the family Dolichopodidae. It is known from the Cretaceous of Lebanon and France.
Microphor is a genus of flies in the family Dolichopodidae, subfamily Microphorinae.
Schistostoma is a genus of flies in the family Dolichopodidae, subfamily Microphorinae.
Drapetis is a genus of flies in the family Hybotidae.
Tachypeza is a genus of flies in the family Hybotidae.
Stilpon is a genus of flies in the family Hybotidae.
