Thalassophorus

Thalassophorus is a genus of flies belonging to the family Dolichopodidae. It is known from Japan and North America.

Species
Two species are included in the genus:
 * Thalassophorus arnaudi Brooks & Cumming, 2011 – British Columbia, Oregon, California
 * Thalassophorus spinipennis Saigusa, 1986 – Japan