Proharpoceras Chao: a new ammonoid lineage surviving the end-Permian mass extinction

A. Brayard, H. Bucher, T. Brühwiler, T. Galfetti, N. Goudemand, K. Guodun, G. Escarguel, and J. Jenks

2007

Article

Lethaia 40:175-181

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