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IRMNG source details
Trans. cent. Geol. prosp. Inst. U.S.S.R., 99
173230
Publication
Date action by
Lamellispirifer Nalivkin, 1937 † accepted as Mucrospirifer Grabau, 1931 † (original description)
Spinulicosta Nalivkin, 1937 † (original description) |
