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Lehnert, H., Stone, R. and Heimler, W. 2005.

Two new species of Plakina Schulze, 1880 (Porifera, Plakinidae) from the Aleutian Islands (Alaska, USA)

. Zootaxa. 1068, 1 (Oct. 2005), 27–38. DOI:https://doi.org/10.11646/zootaxa.1068.1.2.