Hadfield, Kerry A., Bruce, Niel L., and Smit, Nico (2015) Review of Mothocya Costa in Hope 1851 (Crustacea: Isopoda: Cymothoidae) from southern Africa with the description of a new species. African Zoology, 50 (2). pp. 147-163.

Hadfield, Kerry A., Bruce, Niel L., and Smit, Nico J. (2014) Review of the fish parasitic genus Ceratothoa Dana, 1852 (Crustacea, Isopoda, Cymothoidae) from South Africa, including the description of two new species. ZooKeys, 400. pp. 1-42.

Hadfield, Kerry A., Bruce, Niel L., Szinetár, Csaba, and Smit, Nico J. (2014) Ceratothoa retusa (Schiœdte & Meinert, 1883) (Isopoda, Cymothoidae), a variable species of fish parasitic marine isopod from the Indian Ocean. Crustaceana, 87 (4). pp. 448-462.

Hadfield, Kerry A., Bruce, Niel L., and Smit, Nico J. (2013) Review of the fish-parasitic genus Cymothoa Fabricius, 1793 (Isopoda, Cymothoidae, Crustacea) from the southwestern Indian Ocean, including a new species from South Africa. Zootaxa, 3640 (2). pp. 152-176.

Hadfield, Kerry A., Bruce, Niel, and Smit, Nico J. (2011) Cymothoa hermani sp. nov. (Isopoda, Cymothoidae, Crustacea), a parasitic isopod, collected off the Zanzibar coast, Tanzania from the mouth of a parrotfish (Scaridae). Zootaxa, 2876. pp. 57-68.

Hadfield, Kerry A., Bruce, Niel L., and Smit, Nico J. (2010) Redescription of the monotypic genus Cinusa Schioedte and Meinert, 1884 (Isopoda, Cymothoidae), a buccal-cavity isopod from South Africa. Zootaxa, 2437. pp. 51-68.