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Pseudocalanus (Copepoda: Calanoida) of the North Atlantic Ocean : species composition, environmental preferences and phylogeography
(Doctoral thesis; Doktorgradsavhandling, 2013-06-25)
The seven species of the genus Pseudocalanus (Copepoda: Calanoida) are difficult to identify because of very small interspecific, and comparatively large intraspecific, divergence of morphologic and morphometric traits. Thus, despite the fact that Pseudocalanus spp. are among the most abundant metazoans in the world, our knowledge of them at the species level is limited. The main objective of this ...