Издание: Юрская система России: проблемы стратиграфии и палеогеографии: Материалы VIII Всероссийского совещания с международным участием. Онлайн-конференция (7-10 сентября 2020 г., г. Сыктывкар)
Издатель: ИГ Коми НЦ УрО РАН
, Место издания: Сыктывкар
, Год издания: 2020
Страницы: 231-234
Аннотация
The Yuryung-Tumus section (northern Siberia) is one of the reference sections for the development of a bivalve scale for the Boreal zonal standard of the Middle Jurassic. Based on the re-examination of the collections of the Bajocian-Bathonian bivalves belonging to the genus Retroceramus collected in different years in this section, the ideas about the sequence and age interpretation of Retroceramus-based zones in the section were corrected, taking into account new data on the comparison of the ammonite zones of the Bajocian-Bathonian interval of the Boreal standard with the subdivisions of the primary (international) NW European zonal standard.
