Also known as L&W locality 30, Locality 17
Where: Niobrara County, Wyoming (43.4° N, 104.4° W: paleocoordinates 49.9° N, 79.1° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Lance Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; poorly lithified, fine-grained claystone and poorly lithified, fine-grained siltstone
Size class: macrofossils
Collected by B. Brown in 1900, 1909; reposited in the AMNH
Collection methods: quarrying, mechanical,
• 14 x 40 ft quarry
Primary reference: H. F. Osborn. 1905. Tyrannosaurus and other Cretaceous carnivorous dinosaurs. Bulletin of the American Museum of Natural History 21(14):259-265 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 45878: authorized by Matthew Carrano, entered by Matthew Carrano on 10.12.2004, edited by Roger Benson
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
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Ankylosaurus magniventris1 Brown 1908 ankylosaurid AMNH 5866, dermal plates, originally part of holotype
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"Anatosaurus annectens" = Edmontosaurus annectens4
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"Dynamosaurus imperiosus n. gen. n. sp." = Tyrannosaurus rex
"Dynamosaurus imperiosus n. gen. n. sp." = Tyrannosaurus rex Osborn 1905 tyrant lizard king AMNH 5866/BMNH R7794; holotype
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