Plesiothalassius is a genus of flies in the family Dolichopodidae. It is found along sandy sea coasts in South Africa.[1] It contains three described species. It is closely related to Amphithalassius.[2]
| Plesiothalassius | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Diptera |
| Family: | Dolichopodidae |
| Subfamily: | Parathalassiinae |
| Genus: | Plesiothalassius Ulrich, 1991[1] |
| Type species | |
| Parathalassius capensis Smith, 1972 | |