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The First Record of Gregoryceras (Ammonoidea, Aspidoceratidae) in the Middle Oxfordian of the Northern Part of Central Russia (Unzha River)
Paleontological Journal ( IF 0.6 ) Pub Date : 2020-03-18 , DOI: 10.1134/s0031030120010062 V. V. Mitta , A. V. Stupachenko
中文翻译:
俄罗斯中部北部(乌扎河)牛津中部的Gregoryceras(Ammonoidea,Aspidoceratidae)的第一个记录。
更新日期:2020-03-18
Paleontological Journal ( IF 0.6 ) Pub Date : 2020-03-18 , DOI: 10.1134/s0031030120010062 V. V. Mitta , A. V. Stupachenko
Abstract
The northernmost representative of the genus Gregoryceras, G. boreale Mitta et Stupachenko, sp. nov., is described based on a holotype from the Mikhalenino section on the Unzha River (Kostroma Region). The new species comes from the lower part of the Tenuiserratum Zone (Zenaidae subzone), comparable to the tops of the Plicatilis Zone (Arkelli Subzone) of the Middle Oxfordian sub-Mediterranean scales.中文翻译:
俄罗斯中部北部(乌扎河)牛津中部的Gregoryceras(Ammonoidea,Aspidoceratidae)的第一个记录。