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Evolution of the Permian family Spirolegoceratidae (Goniatitida, Ammonoidea)

Trace element LA-ICP-MS mapping on the example of authigenic calcite was used for bracketing and CaO was used as an internal standard. Data reduction was performed using

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

Evolution of the Permian family Spirolegoceratidae (Goniatitida, Ammonoidea)

Geochemical features of pyrite pseudomorphs according to plant residues from the Upper Jurassic deposits of the Middle Volga river area (Russian Federation)

Microstructure and geochemical features of hard dental tissues of Deltavjatia vjatkensis and Suminia getmanovi Permian tetrapods (Kotelnich site, Kirov region, Russia)

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

XRD study of the Permian fossil bone tissue

Tube fossils from gossanites of the Urals VHMS deposits, Russia: Authigenic mineral assemblages and trace element distributions

Composition and structural features of two Permian parareptile (Deltavjatia vjatkensis, Kotelnich Site, Russia) bone fragments and their alteration during fossilisation

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