Representatives of the suborder ammonitina from stratotypic and reference sections of the Jurassic of England, France, and Germany
Authors:
About authors
- G.V. Plekhanov Saint Petersburg Mining University
Abstract
The collection of ammonites from typical sections of the Jurassic system of Germany, England, and France is characterized. The collection was assembled in the early twentieth century and is stored at the St. Petersburg Mining Institute. The diagnosis of ammonite forms is revised. An analysis of the lobate lines is given. The collection includes the following forms: Psilloceras eruatum Phillips; Gleviceros victoris Sow.; Androgynoceras capricornus Schl.; Echioceras regulare True.-W.; Acanthopleuroceras valdani; Soninia sp.; Witchellia laeviusculata Sow.; Ludwigia Murchisoni Sow.; Euaspidoceras ex. gr. perarmatum Sow.
Область исследования:
Geology
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