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IRMNG source details
Paleont. U.S.S.R. Monogr., Leningrad, 35
166637
Publication
Date action by
Ferganella Nikiforova, 1937 † (original description)
Tadschikia Nikiforova, 1937 † (original description) Wilsonella Nikiforova, 1937 † accepted as Sphaerirhynchia Cooper & Muir-Wood, 1951 † (original description) |
