Trachygamasus is a genus of mites in the family Parasitidae.
Species Trachygamasus ambulacralis (Willmann, 1949) Trachygamasus biplumatus Karg, 1998 Trachygamasus borealis Ma-Liming & Wang-Shenron, 1996 Trachygamasus gracilis Karg, 1965 Trachygamasus pusillus (Berlese, 1892) Trachygamasus triangulus Karg, 1978
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