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Liang & Wang |
1991 |
Carboniferous cephalopods of Xinjiang.
Paleontologica Sinica, n.ser.B, 180: 1-171, fig.1-104, pl.1-40; Nanjing.
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Ruzhencev & Bogoslovskaya |
1971a |
Namiurskii etap v evoliutsii ammonodei. Rannenamiurskie ammonoidei.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 133: 1-382, fig.1-89, pl.1-40; Moskva.
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