MolluscaBase source details
Walcott C.D. (1883). Descriptions of new species of fossils from the Trenton Group of New York. 35th Annual Report of the New York State Museum of Natural History, 1884. 207-214. [ Advanced print, Oct. 15, 1883: 1–8].
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Walcott C.D.
1883
Descriptions of new species of fossils from the Trenton Group of New York
35th Annual Report of the New York State Museum of Natural History, 1884
207-214. [ Advanced print, Oct. 15, 1883: 1–8]
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Metoptoma billingsi Walcott, 1883 † (original description)