Two anachoropterid fern rachises from the in situ volcanic ash of the Whetstone Horizon (Kladno Formation, Pennsylvanian), Radnice Basin, Czech Republic

Autor: Zhou, Wei-Ming, Pšenička, Josef, Votočková Frojdová, Jana, Wang, Jun, Wan, Ming-Li, Feng, Zhuo
Zdroj: In Palaeoworld April 2024 33(2):341-362
Databáze: ScienceDirect