Although Klebahn (1919) was probably the first to adequately describe this group of organisms, he did not propose a new species .Publication:
Grant WD. Genus IV. Halococcus Schoop 1935a, 817AL. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria), Springer-Verlag, New York, 2001, p. 311-314.
In the first edition of the Bergey's Manual of Systematic Bacteriology  and in the second edition of the Bergey's Manual of Systematic Bacteriology , the description of Halococcus morrhuae was attributed to Klebahn 1919 as Halococcus morrhuae (Klebahn 1919) Kocur and Hodgkiss 1973.Publication:
Larsen H. Genus IV. Halococcus Schoop 1935, 817AL. In: Staley JT, Bryant MP, Pfennig N, Holt JG (eds), Bergey's Manual of Systematic Bacteriology, first edition, vol. 3, The Williams & Wilkins Co., Baltimore, 1989, p. 2228-2230.