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Marine microfossils: (diatom, ostracod, radiolarian, sponge spicule, radiolarian, planktonic foraminiferan (two), coccolith)
Marine microfossils: (diatom, ostracod, radiolarian, sponge spicule, radiolarian, planktonic foraminiferan (two), coccolith)
Diatomaceous earth is a soft, siliceous, sedimentary rock made up of microfossils in the form of the frustules (shells) of single cell diatoms. This s
Diatomaceous earth is a soft, siliceous, sedimentary rock made up of microfossils in the form of the frustules (shells) of single cell diatoms. This sample consists of a mixture of centric (radially symmetric) and pennate (bilaterally symmetric) diatoms. This image of diatomaceous earth particles in water is at a scale of 6.236 pixels/μm, the entire image covers a region of approximately 1.13 by 0.69 mm.
Fusulinid (Triticites) from the Plattsmouth Chert, Red Oak, Iowa (Permian).
Fusulinid (Triticites) from the Plattsmouth Chert, Red Oak, Iowa (Permian).
Fossil nummulitid foraminiferans showing microspheric and megalospheric individuals; Eocene of the United Arab Emirates; scale in mm.
Fossil nummulitid foraminiferans showing microspheric and megalospheric individuals; Eocene of the United Arab Emirates; scale in mm.
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A paleontologist at work at John Day Fossil Beds National Monument
A paleontologist at work at John Day Fossil Beds National Monument
The preparation of the fossilised bones of Europasaurus holgeri
The preparation of the fossilised bones of Europasaurus holgeri
Analyses using engineering techniques show that Tyrannosaurus had a devastating bite, but raise doubts about its running ability.
Analyses using engineering techniques show that Tyrannosaurus had a devastating bite, but raise doubts about its running ability.
Cambrian trace fossils including Rusophycus, made by a trilobite
Cambrian trace fossils including Rusophycus, made by a trilobite