WoRMS source details
Roberts, L.S. (1969). Ergasilus arthrosis n. sp. (Copepoda: Cyclopoida) and the taxonomic status of Ergasilus versicolor Wilson, 1911, Ergasilus elegans Wilson, 1916, and Ergasilus celestis Mueller, 1936, from North American fishes. Journal of the Fisheries Research Board of Canada 26:997-1011, figs. 1-29, tabs. 1-3. (iv-1969)
75172
Roberts, L.S.
1969
Ergasilus arthrosis n. sp. (Copepoda: Cyclopoida) and the taxonomic status of Ergasilus versicolor Wilson, 1911, Ergasilus elegans Wilson, 1916, and Ergasilus celestis Mueller, 1936, from North American fishes.
Journal of the Fisheries Research Board of Canada
26:997-1011, figs. 1-29, tabs. 1-3. (iv-1969)
Publication
Available in Wilson Copepod Library (non-digital)
Available for editors 
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Ergasilus arthrosis Roberts, 1969 (original description)
Ergasilus celestis Mueller J.F., 1937 (additional source)
Ergasilus elegans Wilson C.B., 1916 accepted as Ergasilus versicolor Wilson C.B., 1911 (additional source)
Ergasilus luciopercarum Henderson, 1926 (source of synonymy)
Ergasilus versicolor Wilson C.B., 1911 (additional source)
Ergasilus celestis Mueller J.F., 1937 (additional source)
Ergasilus elegans Wilson C.B., 1916 accepted as Ergasilus versicolor Wilson C.B., 1911 (additional source)
Ergasilus luciopercarum Henderson, 1926 (source of synonymy)
Ergasilus versicolor Wilson C.B., 1911 (additional source)
