ADAM, H. Systematics and geographical distribution of myxinoids. The Biology of Myxine. 1963, 1-8
CONEL, JL. The genital system of the Myxinoidea: a study based on notes and drawings of these organs in Bdellostoma made by Bashford Dean. The Bashford Dean Memorial Volume, Archaic Fishes I. 1931, 64-110
DEAN, B. Notes on Japanese myxinoids. A new genus Paramyxine, and a new species Homea okinoseana. Reference also to their eggs. J Coll Sci Imp Univ. 1904, 19, 2, 1-23
FERNHOLM, B. Diurnal variations in the behaviour of the hagfish Eptatretus burgeri. Mar Biol. 1974, 27, 351-356
GORBMAN, A. Reproduction in cyclostome fishes and its regulation. Fish Physiology. 1983, IXA, 1-29