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New Data on Evolution of the Middle Jurassic Ostracod Genus Lophocythere Sylvester-Bradley on the Russian Plateстатья Исследовательская статья
- Автор: Shurupova Ya A.
- Журнал: Paleontological Journal
- Том: 59
- Номер: 1
- Год издания: 2025
- Издательство: Pleiades Publishing, Inc.
- Местоположение издательства: New York, USA
- Первая страница: 31
- Последняя страница: 41
- DOI: 10.1134/s0031030124601488
- Аннотация: Stratigraphically significant ostracods of the genus Lophocythere (family Progonocytheridae) from the Middle Jurassic of the Central European Russia (Mikhailovsky Mine sections, Boreholes no. 4, no. 7, Kursk Region and Mikhailovtsement, Ryazan Region) were studied. This paper provides an updated review of the evolution of this taxa, with three evolutionary lineages reconstructed: L. batei Malz, 1975 → L. mosaica sp. nov., L. tuberculata sp. nov., L. karpinskyi (Mandelstam in Lyubimova, 1955); L. propinqua Malz, 1975 → L. scabra Triebel, 1951 → L. bucki Lutze, 1960; L. carinata Blaszyk, 1967 → L. interrupta Triebel, 1955 → ? → L. acrolophos Whatley, Ballent et Armitage, 2001. The evolution of the first lineage can be characterized as cladogenesis (the origin of three species from the common ancestor). The evolution of the other two lineage can be described as anagenesis (or phyletic evolution) (species successively replace each other over time). A new species Lophocythere tuberculata sp. nov. is described from the Lower Callovian (Subpatruus and Koenigi ammonite zones) and Upper Callovian (Athleta ammonite Zone, Spinosum Subzone) of the Kursk and Ryazan regions and L. mosaica sp. nov. is described from the Lower Callovian (Gowerianus and Calloviense ammonite zones) of the Kursk Region.
- Добавил в систему: Шурупова Яна Андреевна
Прикрепленные файлы
| № | Имя | Описание | Имя файла | Размер | Добавлен |
|---|---|---|---|---|---|
| 1. | Полный текст | Shurupova_2025.pdf | 1,8 МБ | 28 апреля 2025 [Shurupova] |