Hystrix sumatrae (Lyon, 1907) . Proc. U.S. Natl. Mus., 32:583.
TYPE LOCALITY: Indonesia, E coast of Sumatra, Aru Bay .
DISTRIBUTION: Sumatra.
COMMENTS: Subgenus Thecurus . Treated as a subspecies of crassispinis by Chasen (1940), but see Van Weers (1978).