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IRMNG source details
Professional Pap. U.S. Geol. Surv. No. 1207
137521
Publication
Date action by
Humboldtites Silberling & Nichols, 1982 † (original description)
Koipatoceras Silberling & Nichols, 1982 † (original description) Parafrechites Silberling & Nichols, 1982 † (original description) Tozerites Silberling & Nichols, 1982 † (original description) Unionvillites Silberling & Nichols, 1982 † (original description) |
