Owen, R. (1835). Mollusca – Cephalopoda Nov. Gen.-Rossia. (Owen.), pages xcii-xcix. In J. Ross, Appendix to the narrative of a second voyage in search of a North-West Passage, and of a residence in the Arctic
regions during the years 1829, 1830, 1831, 1832, 1833. (Volume II, Appendix, Natural History), 120 + cxliv pages. London: A.B. Webster.
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Owen, R.
1835
Mollusca – Cephalopoda Nov. Gen.-<i>Rossia</i>. (Owen.), pages xcii-xcix. In J. Ross, <i>Appendix to the narrative of a second voyage in search of a North-West Passage, and of a residence in the Arctic
regions during the years 1829, 1830, 1831, 1832, 1833</i>.