... locomotion skeleton bone structure mammals evolution microfossils Palaeogene National Research Foundation of Ukraine 10.13039/100018227 2020.02/0247 There are several mammalian lineages secondarily adapted to life in water throughout their evolutionary history. Of them, only sirenians...

... of specimens mounted using a novel pin-and-pedestal method. This simplistic mounting technique minimizes the need for post-production image editing and extraneous background removal. dinoflagellate cysts microfossils SEM specimen preparation image post-production “And blood-black nothingness began to spin...

... extraction machine learning microfossils morphometry proxy Cell morphologies [with sizes mostly varying between 10 and 200 μm (Dunn, 1983 )] vary according to the specific function of the tissue in which they develop. Phytoliths are particles of silica formed in cell walls, cell interiors...

...MARJORIE D. MUIR .. ’ Rolanrcal Journal dfhr fmnean SOCZP~(1983), 86; 1 18. With 2Q-figures. Proterozoic microfossils from the Mara Dolomite Member, Emmerugga Dolomite, McArthur Group, from the Northern...

...; microfossils; Cretaceous; Cainozoic February 2, 1995 ; September 16, 1995 ...

... spotty. However, marine microfossil sequences are the most complete available in the fossil record. Since most planktonic microorganisms have biogeographic distributions that closely correspond to the extent of major water masses, it is possible to sample each population by sampling the water masses...

...0 28 03 1996 This chapter deals with siliceous microfossils. These range in size from 5-20000 µ. Preparation of samples for siliceous microfossil study generally consists of physical disaggregation of containing sediment followed by hydrogen peroxide oxidation of organic...

... preservation. The chapter analyzes microfossils, which provided clues about the changes in the conditions of surface waters in response to climate change and changes in the isotopic composition of seawater. It also discusses ice-age cycles, including the last ice age and how it ended. Antarctic area climate...

...0 28 03 1996 This chapter deals with calcareous microfossils. These generally range in size from 0.1-1.0 mm (though ‘larger’ benthonic foraminifera with complex inner structures range up to 10 cm in diameter). Preparation of samples for calcareous microfossil study generally consists...

... microfossils such as diatoms, using an example from New Zealand. The chapter also considers signs from the wider environment and how both very small and very large changes add immense value to our understanding of events and to the search for tsunamis. Trees, dendrochronology, geomorphology, and LiDAR are all...

... specifically, it discusses the principles, methods, and working procedures used for the establishment of Chinese stages/ages in the past. It also examines some issues in Neogene land mammal stratigraphy, with particular emphasis on the use of terrestrial mammal fossils vs. marine microfossils as tools...

.... This chapter discusses the pioneering works of John William Dawson, Charles Doolittle Walcott, and Albert Charles Seward. It also narrates the story of the gradual expansion of the fossil record over the past several decades, including the discovery of microfossils dating some 3.5 billion years old. Cambrian...

...Microfossils found in archaeological ceramics include representatives of kingdoms Fungi, Protista, Plantae, and Animalia and are composed of calcite, silica, or resistant organic compounds capable of withstanding firing. Methods by which microfossils are isolated for study vary considerably...

...This chapter covers the topic of peat archives: the fossils and other materials deposited in peat. Macrofossils are the remains of plants and animals; microfossils are pollen grains, spores, and other unicellular organisms. Peat corers are used to sample peat by layers, and the layers...