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↑ Nygren, Arne and Pleijel, Fredrik(2011).“Chimaeras and the origins of the holopelagic annelids Typhloscolecidae and Lopadorhynchidae: a reply to Struck & Halanych (2010)”.Zoologica scripta(Wiley Online Library)40(1): 112-114.doi:10.1111/j.1463-6409.2010.00462.x.
