A New Species of Sand-Burrowing Marine

A dogielinotid amphipod was collected from the sandy beach of Hakodate, Hokkaido, Japan. The specimen was described as a. new species of genus Haustorioides by the author. The species is a sand·burrower, and the length: width ratio in dorsal view is 4.7:1 for the male and 4.1:1 for the female. The key to the species of this genus was given