2025 Volume 51 Issue 2 Pages 31-49
Specimens of the marine crustacean genera Lophogaster M. Sars, 1857 and Paralophogaster Hansen, 1910 (Lophogastrida, Lophogastidae) collected from the West Pacific Ocean including its marginal seas as well as the eastern part of the Indian Ocean were examined. Five species of Lophogaster and two species of Paralophogaster were identified in this study, and they are taxonomically discussed and illustrated. Keys to the Indo-West Pacific species of Lophogaster and all the known species of Paralophogaster are provided.