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New data on the composition and evolution of the Permian superfamily popanocerataceae (Ammonoidea) finds of Roadian ammonoids allowed the establishment of a new stage of active morphogenesis

International symposium: "Evolution of permian marine biota," and problems concerning permian sections in the type regionThe main results of the International Symposium "Evolution of Permian Marine Biota," are presented

New data on the composition and evolution of the Permian superfamily popanocerataceae (Ammonoidea) finds of Roadian ammonoids allowed the establishment of a new stage of active morphogenesis

International symposium: "Evolution of permian marine biota," and problems concerning permian sections in the type regionThe main results of the International Symposium "Evolution of Permian Marine Biota," are presented

Permian ammonoids of the Okhotsk Region, Northeast Asia© 2015, Pleiades Publishing, Ltd. Beds with ammonoids are recognized as a result of the study

Biostratigraphy and important biotic events in the Western Verkhoyansk Region around the Sakmarian–Artinskian boundary
. The biostratigraphic sequence of ammonoid, brachiopod, bivalve, and foraminiferal assemblages in the Echij Formation

Permian ammonoids of the Okhotsk Region, Northeast Asia© 2015, Pleiades Publishing, Ltd. Beds with ammonoids are recognized as a result of the study

Evolution of the Permian family Spirolegoceratidae (Goniatitida, Ammonoidea)The evolution of the Permian ammonoid family Spirolegoceratidae is discussed and a new phylogenetic

A new most ancient Permian Inoceramus-like bivalve of the genus Aphanaia Koninck from northeastern Asia© 2015, Pleiades Publishing, Ltd. The most ancient representative of Permian Inoceramus

Evolution of the Permian family Spirolegoceratidae (Goniatitida, Ammonoidea)The evolution of the Permian ammonoid family Spirolegoceratidae is discussed and a new phylogenetic

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