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Article
First Evidence of Micromycete Damage to Infructescences of the Cretaceous Genus Friisicarpus N. Maslova et Herman (Platanaceae)
Morphologically similar damage to carpels of two Friisicarpus species (Platanaceae), F. kubaensis (Western Siberia, Albian–Cenomanian) and F. sarbaensis (Western Kazakhstan, Cenomanian–Turonian) induced by microm...
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Article
New Representative of Pinus L. from Jurassic Deposits of Belgorod Region, Russia
A new species of fossil pines, P. bukatkinii sp. nov., was found in the Middle Jurassic of Stoilensk open mine (the vicinity of Stary Oskol town, Belgorod Region). Seed cones of the new species possess four key d...
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Article
Pseudoschizaea sp. from the Early Jurassic of Italy: Fine Structure and Comparison
The dispersed palynomorph Pseudoschizaea sp. of unknown affinity from the Jurassic of Italy was studied under transmitted light, confocal, fluorescent, scanning, and transmission electron microscopy. A comparison...
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Article
Further Interpretation of Wodehouseia spinata Stanley from the Late Maastrichtian of the Far East (China)
Dispersed pollen grains Wodehouseia spinata Stanley of unknown botanical affinity from the Maastrichtian of the Amur River Region, Far East are studied using transmitted light, scanning and transmission electron ...
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Article
Platimeliphyllum reznikoviorum N. Maslova, sp. nov. (Angiospermae) and associated infructescence from the Paleogene of central Kazakhstan
A new species Platimeliphyllum reznikoviorum N. Maslova is described from the Paleogene of Nizhnii Ashut locality (central Kazakhstan) based on the leaf macromorphological and epidermal characteristics. A capitat...
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Article
Infructescences of Friisicarpus sarbaensis sp. nov. (Platanaceae) from the Cenomanian-Turonian of western Kazakhstan
Platanoid capitate infructescences are described as a new species Friisicarpus sarbaensis. Infructescences of Friisicarpus N. Maslova et Herman have been first found in the Cretaceous of Kazakhstan. A joint buria...
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Article
Exine ultrastructure in pollen grains of Classopollis Pflug from the Cretaceous of Lebanon
Pollen grains of Classopollis Pflug from the Cretaceous deposits of Lebanon were studied by means of light and electron microscopy. Ultrastructurally, they are similar to pollen grains, extracted from Classostrob...
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Article
On some peculiarities of sporoderm structure in members of the Cycadales and Ginkgoales
The pollen morphology and ultrastructure of Cycas micholitzii, C. simplicipinna, Cycandra profusa, Ceratozamia mexicana, and Ginkgo biloba are studied. Pollen germination is also studied in C. mexicana and G. bil...
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Article
The seventieth birthday of Valentin Krassilov
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Article
A new taxon of staminate inflorescences Bogutchanthus gen. nov. (Hamamelidales) from the Paleocene of the Amur Region
Staminate inflorescences from the Paleocene deposits of the Amur Region (Russia) are described as a new genus, Bogutchanthus N. Maslova, Kodrul et Tekleva, on the basis of micromorphological characters. The inflo...
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Article
A new conifer species, Mesocyparis rosanovii sp. nov. (Cupressaceae, Coniferales), and Transberingian floristic connections
A new species, Mesocyparis rosanovii sp. nov. from the Lower Paleocene of the Amur Region, Russia, is characterized by a combination of advanced and primitive features: mixed opposite-alternate branching of veget...
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Article
Development of Pollen Grain Walls and Accumulation of Sporopollenin
By means of electron microscopy, we studied the development of pollen grain walls in Calendula officinalis L., Dimorphotheca aurantiaca DC., and Cichorium intybus L. (Asteraceae). As a reference, we studied the p...
