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2 August 2011 A new species of Orthopsyllus Brady & Robinson, 1873 (Copepoda: Harpacticoida: Orthopsyllidae) from Maxwell Bay, King George Island, Antarctica
Kanghyun Lee, Hendrik Gheerardyn, Wonchoel Lee
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Abstract

The genus Orthopsyllus Brady & Robertson, 1873 (Harpacticoida, Orthopsyllidae) presently includes six species, as well as six subspecies considered within its type species. Orthopsyllus koprii, new species, is described from Barton Peninsula, Maxwell Bay, King George Island, Antarctica and can be distinguished from its congeners by the presence of an inner seta on the middle exopodal segments of P2 and P3. Orthopsyllus spinicaudatus Krishnaswamy, 1957 also carries an inner seta on these segments but differs in the presence of a single apical seta on the endopod of P2.

Kanghyun Lee, Hendrik Gheerardyn, and Wonchoel Lee "A new species of Orthopsyllus Brady & Robinson, 1873 (Copepoda: Harpacticoida: Orthopsyllidae) from Maxwell Bay, King George Island, Antarctica," Proceedings of the Biological Society of Washington 124(2), 84-98, (2 August 2011). https://doi.org/10.2988/10-36.1
Published: 2 August 2011
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KEYWORDS
armature formula
harpacticoid subspecies
intraspecific variability
sexual dimorphism
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