Brachiopods |
Atrypoidea pentagonalis T. Beznossova et Mizen |
190 |
27 |
Upper Silurian |
Tchernyshev Ridge |
the Bolshaya Synya River |
Beznosova T.M., Misens L.I. Lissatrypidae of the Greben Stage (Pridolian) of the Pechora Urals. Paleontology and Biostratigraphy of the Middle Paleozoic of the Urals. Sverdlovsk: USC AS USSR, 1980, pp. 55–72. |
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