Bivalvia | Unionoida nominal species Palaeomutela trigonalis Amalitzky, 1892
Amalitzky, 1892, Palaeontogr. 39(4-6): 170, pl. 21, figs. 15-17.
Amalitzky, 1895, Quart. Jour. Geol. Soc. London 51: 343, pl. 12, fig. 6.
= unionoid fossil Taxonomic Opinions
= Palaeomutela trigonalis Amalitzky, 1892 — Amalitzky, 1895
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