References for Haloptilus longicornis:

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.

Scott, A., 1909. The copepoda of the %E2%80%98Siboga Expedition%E2%80%99 Part I. Free swimming, littoral and semi-parasitic Copepoda. Siboga Exped. 29a: 323pp.