Gudmundsson, G. 1998. Distributional limits of Pyrgo species at the biogeographic boundaries of the Arctic and the North-Atlantic Boreal Regions. Journal of Foraminiferal Research 28: 240-256.
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Gudmundsson, G.
1998
Distributional limits of Pyrgo species at the biogeographic boundaries of the Arctic and the North-Atlantic Boreal Regions