Mummified Wood of Juniperus (Cupressaceae) from the Late Miocene of Taman Peninsula, South Russia

Stepanova, A.V.; Odintsova, A.A.; Rybkina, A.I.; Rostovtseva, Y.V.; Oskolski, A.A.

Авторы: Stepanova A.V., Odintsova A.A., Rybkina A.I., Rostovtseva Yu V., Oskolski A.A.
Журнал: Plants
Том: 11
Номер: 15
Год издания: 2022
Издательство: MDPI
Местоположение издательства: Basel, Switzerland
Первая страница: 2050
Последняя страница: 2050
DOI: 10.3390/plants11152050
Аннотация: Juniperus L. is the second-largest genus of conifers, having the widest distribution of allconifer genera. Its phytogeographic history is, however, obscure due to its very poor fossil record.We described a wood of Juniperus sp. from the lower Maeotian sediments of the Popov Kamensection, Taman Peninsula, South Russia, in order to clarify its taxonomic position shedding light onthe phytogeographic history of the genus. This fossil wood was well-preserved by mummification,which allowed for it to be studied by the same methods as used for the anatomical examinationof modern woods. The wood from the Popov Kamen section shows the greatest similarity to theextant Mediterranean species J. excelsa, belonging to the section Sabina. This is the first reliablemacrofossil evidence of the sect. Sabina from Eurasia convincingly dated to the Miocene. The ageof the mummified wood from the Popov Kamen section is consistent with molecular dating ofdiversification of the lineage comprising juniper species of the sect. Sabina from Europe, Asia andeastern Africa. The wood of Juniperus sp. has not been buried in situ, as it was found in the relativelydeep-water marine sediments. The available coeval pollen series and macrofossils of Cupressaceaefrom the surrounding regions suggest that this wood was likely transferred by sea current from thenorthwestern side of the Black Sea, which was a part of the Eastern Paratethys.
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Mummified Wood of Juniperus (Cupressaceae) from the Late Miocene of Taman Peninsula, South Russiaстатья

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