MolluscaBase source details
Billings, E. (1860). New species of fossils from the Lower Silurian rocks of Canada. The Canadian Naturalist and Geologist. 5: 161-177.
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Billings, E.
1860
New species of fossils from the Lower Silurian rocks of Canada
The Canadian Naturalist and Geologist
5: 161-177
Publication
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Pleurotomaria americana Billings, 1860 † accepted as Liospira americana (Billings, 1860) † (original description)
