References for Haloptilus fertilis:

Madhupratap, M.and P. Haridas, 1986. Epipelagic calanoid copepods of the Northern Indian Ocean. OCEANOLOGICA ACTA Vol. 9, No.2.

Saraladevi, K., 1977. Studies on the genus Haloptilus (Copepoda, Calanoida) from the Indian Ocean. M.Sc Thesis. Univ. of Cochin.

Saraladevi, K., Rosamma Stephen, &T.S.S. Rao., 1979. Distribution of Haloptilus (Copepoda: Calanoida) in the Indian ocean. Indian Journal of Marine Sciences Vol. 8, pp. 159-165.