APTYCHI FROM THE VOLGIAN STAGE OF THE RUSSIAN PLATFORM

dc.contributor.author	Rogov M.A.
dc.date.accessioned	2022-11-03T10:21:06Z
dc.date.available	2022-11-03T10:21:06Z
dc.date.issued	2004
dc.identifier	https://www.elibrary.ru/item.asp?id=13454523
dc.identifier.citation	Paleontological Journal, 2004, 38, 2, 141-147
dc.identifier.issn	0031-0301
dc.identifier.uri	https://repository.geologyscience.ru/handle/123456789/39359
dc.description.abstract	Volgian aptychi from the Russian Platform are described and figured for the first time. The Lower Volgian klimovi Zone and the uppermost Kimmeridgian beds contain Lamellaptychus submortilleti Trauth, 1938. The pseudoscythica Zone (Faunal Horizon neoburgense) contains Laevaptychus latobliquus Trauth, 1931, belonging to Anaspidoceras neoburgense (Oppel, 1863), and a small unidentifiable Lamellaptychus sp. A new species Praestriaptychus volgensis was found in the panderi Zone (Middle Volgian). Probably, these aptychi belong to the Boreal-Subboreal Virgatitinae or Dorsoplanitinae, because they are accompanied by numerous Pavlovia and Zaraiskites. The occurrence of P. volgensis is the youngest find of Praestriaptychus in the Jurassic.
dc.subject	Volgian Stage
dc.subject	aptychi
dc.subject	Russian Platform
dc.subject	new species
dc.title	APTYCHI FROM THE VOLGIAN STAGE OF THE RUSSIAN PLATFORM
dc.type	Статья
dc.subject.age	Mesozoic::Jurassic::Upper::Tithonian
dc.subject.age	Мезозой::Юрская::Верхний::Титонский	ru

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