Vašíček, 2020: Tescheniceras gen. nov. and Vln/Htr boundary

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Vašíček, Z. XXXX. Tescheniceras gen. nov. (Ammonoidea) and the definition of the Valanginian/Hauterivian boundary in Butkov Quarry (Central Western Carpathians, Slovakia). Acta Geologica Polonica, XX (X), xxx–xxx. Warszawa

https://geojournals.pgi.gov.pl/agp/arti ... 8671/20320