Poulsen, C. (1943). The Silurian faunas of North Greenland, II, The fauna of the Offley Island formation, Pt. 2, Brachiopoda. Meddelelser om Grønland. 72(3): 1-60.
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Poulsen, C.
1943
The Silurian faunas of North Greenland, II, The fauna of the Offley Island formation, Pt. 2, Brachiopoda