New data on the composition and evolution of the Permian superfamily Popanocerataceae (Ammonoidea)

T.B. Leonova, R.V. Kutygin, and O.P. Shilovsky

2005

Article

Paleontological Journal 39(5):476-486

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Taxa discussed in this work:

• Biarmiceras
• Biarmiceras barskovi
• Biarmiceras esaulovae
• Biarmiceras kremeshkense
• Biarmiceras tumarense

Taxonomy:

• Biarmiceras subtumarense belongs to Biarmiceras - Leonova et al. (2005)
• Biarmiceras tumarense belongs to Biarmiceras - Leonova et al. (2005)