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IRMNG source details
Bull. Com. Géol. Petrograd, 38
148549
Publication
Date action by
Cyrtella Fredericks, 1924 † (original description)
Elytha Fredericks, 1924 † accepted as Elita Fredericks, 1918 † (original description) Lytha Frédéricks, 1924 † accepted as Spirifer Sowerby, 1816 † (original description) Maia Frédéricks, 1924 † accepted as Callispirina Cooper & Muir-Wood, 1951 † (original description) Moumina Frédéricks, 1924 † (original description) Munella Frédéricks, 1924 † (original description) Spiriferellina Frédéricks, 1924 † (original description) |
