Short description: In Russian. Popov, Andrian Vasilievich. The Vizei ammonoidae of Northern Tien Shan and their stratigraphic meaning. Frunze: Ilim, 1968. Vizeyskie ammonoidei Severnogo Tyan'-Shanya i ikh stratigraficheskoe znachenie. In Russian /North Tien Shan's Visesian Ammonoidae and their Stratigraphic Meaning . The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU6465725