Results 11 to 20 of about 12,589 (253)
A Flower Bud from the Lower Cretaceous of China. [PDF]
Biology (Basel), 2022 Background: Although various angiosperms (including their flowers) have been reported from the Yixian Formation (Lower Cretaceous) of China, which is famous worldwide for its fossils of early angiosperms, no flower bud has hitherto been seen in the Early Cretaceous. Such a lack of examples hinders our understanding of the evolution of flowers. Methods:
Chen LJ, Wang X.
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Welwitschiaceae from the Lower Cretaceous of northeastern Brazil [PDF]
American Journal of Botany, 2005 Welwitschiaceae, a family in the Gnetales, is known today from only one extant species, Welwitschia mirabilis. This species is distributed in the Namibian desert, along the western coast of southern Africa, about 10 km inland from the coast. Very little is known about the fossil record of this family.
Dilcher, D.L. +3 more
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The first data on the role of rhyncholites in the process of epibiota
Известия высших учебных заведений: Геология и разведка, 2019 For the first time the role of rhyncholites in the process of epibiota has been figured out. Serpulidae inlay is detected in 39 rhyncholites of 979 specimens, representing 4% of the all studied material. This fact demonstrates that rhyncholites were used
E. S. Gaponenko +2 more
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Scientific Reports, 2021 First record of the genus Helius—long-rostrum cranefly from Maestrazgo Basin (eastern Spain, Iberian Penisula) is documented. Two new fossil species of the genus Helius are described from Cretaceous Spanish amber and compared with other species of the ...
Iwona Kania-Kłosok +2 more
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Lower Cretaceous Angiosperms [PDF]
Nature, 1910 IN the course of my work at the British Museum on Cretaceous plants, I have examined a number of more or less perfectly petrified “woods.” Such specimens have generally been classed together as “Gymnosperms,” so that they have received little attention from palaeobotanists. As I am undertaking an exhaustive study of the Cretaceous plants, the keeper of
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The History of the Aptian Stage Stratigraphy and Ammonoids of the Central Part of the Northern Caucasus Studies. Paper 1. 19th Century to 1969 [PDF]
Известия Саратовского университета. Новая серия: Серия Науки о ЗемлеThe offering paper covers the history of the Aptian stage stratigraphy and ammonites studies of the central part of the Northern Caucasus, which was subdivided by the author into five stages. The first (mid-to-late 19th century), second (1901–1951)
Polkovoi, Kirill Sergeevich
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Provenance reconstructions. Article 2. Litho- and isotope-geochemical approaches and methods
Литосфера, 2020 Research subject. In this paper, we consider specific features of the use of litho- and isotopic-geochemical data for the purposes of provenance reconstruction.Methods and materials.
A. V. Maslov +4 more
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A new megaspilid wasp from Eocene Baltic amber (Hymenoptera: Ceraphronoidea), with notes on two non-ceraphronoid families: Radiophronidae and Stigmaphronidae [PDF]
PeerJ, 2018 Ceraphronoids are some of the most commonly collected hymenopterans, yet they remain rare in the fossil record. Conostigmus talamasi Mikó and Trietsch, sp. nov. from Baltic amber represents an intermediate form between the type genus, Megaspilus, and one
István Mikó +6 more
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Lower Cretaceous Lepidoptera [PDF]
Nature, 1977 LEPIDOPTERA are rare in the fossil record and, until relatively recently, most fossil butterflies and moths had been found in Tertiary deposits. Records of Lepidoptera from earlier in the fossil record have been discounted1. The first evidence of a Cretaceous lepidopteran was Mackay's description2 of the head of a caterpillar in amber (about 72 Myr BP).
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Výskyt spodnokriedových magmatických hornín medzi Podbrančom a Myjavou [PDF]
Geologické práce. Správy, 2020 Occurrences of magmatic rocks were identifid north of the settlement Belanskovci (part of Myjava town), on the ridge of the elevation point 464 m a. s. l. east of the settlement Podzámok (part of the Podbranč village).
Tamás Csibri +2 more
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