Scheldt species source details
Harding, J.P. (1963). The chromosomes of Calanus finmarchicus and C. helgolandicus. Crustaceana, Leiden 6(2):81-88, figs. 1-4, pls. 5-6. (19-ix-1963)
85605
Harding, J.P.
1963
The chromosomes of Calanus finmarchicus and C. helgolandicus.
Crustaceana (Leiden)
6(2):81-88, figs. 1-4, pls. 5-6. (19-ix-1963)
Publication
Available for editors 
Calanus helgolandicus (Claus, 1863) represented as Calanus helgolandicus helgolandicus (Claus, 1863) (additional source)