Anderson, R. V. (1974). Canadian species of the genus Helicotylenchus Steiner, 1945 (Nematoda: Hoplolaimidae), their identifying characteristics and descriptions of three new species. Canadian Journal of Zoology. 52(11): 1365-1381.
Canadian species of the genus Helicotylenchus Steiner, 1945 (Nematoda: Hoplolaimidae), their identifying characteristics and descriptions of three new species