44 results on '"Archangelsky, Sergio"'
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2. Two new angiosperm leaf morphotypes from the Anfiteatro de Ticó Formation (mid-Aptian) Santa Cruz Province, Argentina
3. Early Cretaceous palm pollen tetrads from Patagonia, Argentina
4. Correlation and paleoenvironments of middle Paleogene marine beds based on dinoflagellate cysts in southwestern Patagonia, Argentina
5. Kladistamuos golondrinensis nov. gen. et comb., a fertile foliage from the mid to late Permian of Patagonia, Argentina
6. Ultrastructural study of Arcellites humilis Villar de Seoane and Archangelsky, 2008, from the Cretaceous of Patagonia, Argentina
7. Leaf Cuticle Anatomy and the Ultrastructure of Ginkgoites ticoensis Archang. from the Aptian of Patagonia
8. Aptian Angiosperm Pollen from the Ticó Flora Patagonia, Argentina
9. An ultrastructural study of the araucarian pollen grain Cyclusphaera radiata Archangelsky from the Albian of Patagonia
10. Palynostratigraphic study of the Early Cretaceous Río Mayer and Kachaike formations at the Quebrada El Moro Section, Austral Basin, southwestern Argentina
11. Coniferous Ovulate Cones from the Lower Cretaceous of Santa Cruz Province, Argentina
12. An Early Cretaceous zamiaceous cycad of South West Gondwana: Restrepophyllum nov. gen. from Patagonia, Argentina
13. Early angiosperm diversification: evidence from southern South America
14. Biogeographic implications of Albian Mohria-like spores (Family Anemiaceae) in SW Gondwana (Patagonia)
15. Fedekurtzia, a New Carboniferous Frond from Gondwanaland and Its Fructification
16. The Cretaceous Pteridosperms Ruflorinia and Ktalenia and Implications on Cupule and Carpel Evolution
17. Ultrastructural Studies of Fossil Plant Cuticles. II. Tarphyderma Gen. N., A Cretaceous Conifer From Argentina
18. The Ultrastructure of in Situ Clavatipollenites Pollen from the Early Cretaceous of Patagonia
19. A Petrified Basidiomycete from Patagonia
20. Taxonomy and biostratigraphy of Cretaceous megaspores from Patagonia, Argentina
21. The southernmost record of tropical pollen grains in the mid-Cretaceous of Patagonia, Argentina
22. Putative Early Cretaceous pteridaceous spores from the offshore Austral Basin in Patagonia, Argentina
23. A new araucarian pollen cone with in situ Cyclusphaera Elsik from the Aptian of Patagonia, Argentina
24. Cycadean diversity in the Cretaceous of Patagonia, Argentina. Three new Androstrobus species from the Baqueró Group
25. Early Cretaceous Angiosperm Leaves from Southern South America
26. Ultrastructural studies in fossil plant cuticles
27. Tarphyderma punctatum (Michael) Archangelsky & T. N. Taylor, comb. nov., an Early Cretaceous Conifer
28. Ultrastructural studies of fossil plant cuticles: Ticoa harrisii from the early Cretaceous of Argentina.
29. The ultrastructure of Cyclusphaera psilata from the Cretaceous of Argentina.
30. On the genus Tomaxellia (Coniferae) from the Lower Cretaceous of Patagonia (Argentina) and its male and female cones.
31. Palinofloras Cisuralianas en el Subsuelo del Noreste de la Provincia de la Pampa
32. Juan Carlos Gamerro (1923–2013)
33. Morfología y Anatomía de un Helecho Creciendo Bajo Condiciones de Estrés en el Aptiano de Santa Cruz, Argentina
34. Nothorhacopteris, a new generic name for some carboniferous monopinnate fronds of Gondwanaland (= Rhacopteris ovata auct. and Pseudorhacopteris rigby 1973)
35. Polyspermophyllum, a new Permian gymnosperm from Argentina, with considerations about the dicranophyllales
36. Aspects of Gondwana paleobotany: gymnosperms of the Paleozoic—Mesozoic transition
37. Austrocalyx jejenensis Vega and Archangelsky, gen. et sp. nov., a cupulate rhacopteroid pteridosperm from the Carboniferous of Argentina
38. Cuticular characters adapted to volcanic stress in a new Cretaceous cycad leaf from Patagonia, Argentina. Considerations on the stratigraphy and depositional history of the Baqueró Formation
39. Comparative ultrastructure of three early cretaceous gymnosperm pollen grains: Araucariacites, Balmeiopsis and Callialasporites
40. Comparative ultrastructure of fossil and living gymnosperm cuticles
41. Squamastrobus gen. N., A fertile podocarp from the early cretaceous of Patagonia, Argentina
42. Palaeobotany and palynology in South America: A historical review
43. Pollen grains found in coniferous cones from the lower cretaceous of patagonia (Argentina)
44. Spore and pollen types of the lower cretaceous in Patagonia (Argentina)
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