Foraminifera source details
Wang, X.Z., Sun, S.D., Yu, B.Z., Zeng, Z.Y., Sun, D.M., Li, C.W., Wang, K.P., Liu, F.J., Lu, Q.Y. & Li, Z.Q. 1995. Late Paleozoic Coal-bearing Stratigraphy and Biota of Xuzhou Area. Beijing Science and Technology Press, Beijing (in Chinese).
406737
Wang, X.Z., Sun, S.D., Yu, B.Z., Zeng, Z.Y., Sun, D.M., Li, C.W., Wang, K.P., Liu, F.J., Lu, Q.Y. & Li, Z.Q. 1995. Late Paleozoic Coal-bearing Stratigraphy and Biota of Xuzhou Area. Beijing Science and Technology Press, Beijing (in Chinese).
Publication
Not seen. Source: Ueno and Villa (2018).
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Verella absidata Sun in Wang et al., 1995 † (original description)
Verella laxa Sun in Wang et al., 1995 † (original description)
Verella laxa Sun in Wang et al., 1995 † (original description)