Hogans, W.E. (1987). Morphological variation in Pennella balaeonoptera and P. filosa (Copepoda: Pennellidae) with a review of the genus Pennella Oken, 1816 parasitic on Cetacea. Bulletin of Marine Science 40(3):442-453, figs. 1-21.
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Hogans, W.E.
1987
Morphological variation in Pennella balaeonoptera and P. filosa (Copepoda: Pennellidae) with a review of the genus Pennella Oken, 1816 parasitic on Cetacea.