Dmitry V. Gromyko

Dmitry V. Gromyko
Russian Academy of Sciences | RAS · lab of Palaeobotany

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17
Publications
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Publications

Publications (17)
Article
Protocedroxylon Gothan and Xenoxylon Gothan are two biogeographically important Mesozoic fossil wood genera. They are the witnesses of a boreal flora whose periodic extensions towards the south characterize Mesozoic climatic oscillations. However, previously documented Arctic records of these taxa are known mostly by poorly dated specimens. A new w...
Article
A new species of the fossil wood genus Ginkgoxylon (Ginkgoales), Ginkgoxylon arcticum sp. nov., is described from the Lower Cretaceous deposits of Alexandra Land Island, Franz Josef Land Archipelago, Russia. The record of Ginkgoxylon represents the latest stratigraphic occurrence of this taxon in Russia and the first and only one from the Arctic re...
Conference Paper
Full-text available
Основной целью настоящей работы является изучение образований нижнего-среднего триаса в юго-западной части хребта Пай-Хой.
Conference Paper
Full-text available
The morphogenus Xenoxylon was proposed by W. Gothan (1905) for fossil coniferous woods, which were first described by C. Cramer (1868) as Pinites latiporosus Cramer and P. pauciporosus Cramer from the Jurassic deposits of West Spitsbergen (Norway). Xenoxylon fossil woods are numerous and are recorded from the Mesozoic deposits throughout the Northe...
Article
Based on ecospectra of 66 published carpofloras we study dynamics and evolution of Turgay vegetation in Western Siberia during the early Oligocene to earliest Miocene. The ecospectra are obtained using a Plant Functional Type (PFT) classification system comprising 26 herbaceous to arboreal PFTs. The carpofloras originate from seven floristic levels...
Article
Full-text available
Cenozoic vegetation change in Western Siberia and northeastern Russia is quantified based on the analysis of diversity of plant functional types (PFTs). Carpofloras (148 total) compiled from published sources are assigned to a total of nine time slices spanning the period from the middle Eocene to the late Pliocene. Comparisons among four defined k...
Data
Cenozoic vegetation change in Western Siberia and northeastern Russia is quantified based on the analysis of diversity of plant functional types (PFTs). Carpofloras (148 total) compiled from published sources are assigned to a total of nine time slices spanning the period from the middle Eocene to the late Pliocene. Comparisons among four defined k...
Article
Full-text available
Cenozoic vegetation change in Western Siberia and northeastern Russia is quantified based on the analysis of diversity of plant functional types (PFTs). Carpofloras (148 total) compiled from published sources are assigned to a total of nine time slices spanning the period from the middle Eocene to the late Pliocene. Comparisons among four defined k...
Article
Full-text available
Th e Cenozoic continental deposits of Western Siberia, Eastern Siberia and the Russian Far East are best described on the basis of carpological records. Th e palaeoclimate evolution has been reconstructed quantitatively (Coexistence Approach) providing inferred data on temperature, precipitation and the mean annual range of these parameters. Climat...
Article
Cercidiphylloxylon spenceri (Brett) Pearson is described from the Lizigou Formation, Palaeocene in China. The growth rings are distinct; pores are diffuse, solitary, with somewhat angular outlines in cross section; vessel elements long with long scalariform perforation plates; intervessel pitting is opposite to scalariform; fiber-tracheids are pres...
Article
Full-text available
Although the faunal elements of Far East Asian Mesozoic terrestrial biota have attracted much attention in recent years, their palaeoecology remains poorly known. In particular, features of the palaeoclimate are highly controversial. To address this point we used the Mesozoic fossil wood Xenoxylon, a genus recognized as an indicator of wet temperat...
Article
Full-text available
As the phylogeny and evolution of angiosperms is being completely rewritten by molecular data, there is renewed interest in the earliest fossil record of the group. A putative Jurassic Angiosperm wood, Suevioxylon zonatum Kräusel is revisited. We reinvestigated the type material (speci-men and five thin sections) with light microscopy and SEM. This...
Article
Some new data on Arctic fossil coniferous wood are presented. The well-defined borders and slit-like apertures of cross-field pits which appeared to be simple under the light microscope were observed under the scanning electron microscope. The "podocarpoid" cross-field pits of many Mesozoic wood samples, in association with data on podocarpous poll...

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