Up to date papers with reviews and/or keys
Fiers F., J.W. Reid, T. M. Iliffe & E. Suarez-Morales. 1996. New hypogean cyclopoid copepods (Crustacea) from the Yucatan Peninsula, Mexico. Contributions to Zoology, 66 (2): 65-102.
Monchenko V.I. 1985. A new species of Diacyclops (Crustacea, Copepoda) from Transcaucasia. Vestn. zool., 5:19-25.
Morton D.W. 1985. Revision of the Australian Cyclopidae (Copepoda: Cyclopoida). I. Acanthocyclops Kiefer, Diacyclops Kiefer and Australocyclops gen.nov. Aus. J. Mar. Fresh. Res., 36: 615-634
Pesce G. L. 1994. The genus Diacyclops Kiefer in Italy: a taxonomic, ecological and biogeographical up-to-date review (Crustacea Copepoda Cyclopidae). Arthropoda Selecta, 3 (3-4): 13-19.
Pesce G.L. & D.P. Galassi. 1987. New or rare species of Diacyclops Kiefer, 1927 (Copepoda, Cyclopoida) from different groundwater habitats in Italy. Hydrobiologia 148: 103-114
Reid J. W. 1988. Copepoda (Crustacea) from a seasonally flooded marsh in rock creek stream valley park, Maryland. Proc. Biol. Soc. Wash., 101 (1): 31-38.
Reid J. W. 1992. Redescription of Diacyclops nearcticus (Kiefer, 1934) and description of four similar new congeners from North America, with comments on D. crassicaudis (G.O.Sars, 1863) and D. crassicaudis var. brachycercus (Kiefer, 1927) (Crustacea:Copepoda). Canadian Journal of Zoology, 70: 1445-1469
Reid J. W. 1994. Diacyclops dimorphus, a new species of copepod from Florida, with comments on morphology of interstitial cyclopinae cyclopoids. J. N. Am. Benthol. Soc., 13 (2):250-265
Boxshall G. A. & T. D. Evstigneeva. 1994. The evolution of species flocks of copepods in Lake Baikal: a preliminary analysis. Arch. Hydrobiol. Beih. Ergebn. Limnol., 44: 235-245