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Some Permian ammonoids from Kwangsi and their significance
J. K. Zhao
1955
Article
Acta Palaeontologica Sinica
3:135-158
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Taxa discussed in this work:
Kufengoceras simplex
Liuzhouceras shengi
Shengoceras
Shengoceras lenticulare
Shengoceras umbilicatum
Strigogoniatites liuchowensis
Strigogoniatites nodosus