Also known as UT-26
Where: Uintah County, Utah (40.5° N, 109.2° W: paleocoordinates 36.9° N, 55.9° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Brushy Basin Member (Morrison Formation), Tithonian (152.1 - 145.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; lithified, bentonitic, gray, argillaceous, cherty/siliceous mudstone and unlithified, carbonaceous mudstone
•Upper horizon: "gray mudstone/siltstone, lamination present with small lenses of slightly coarser texture. These lenses are rich in organic matter and contain small bones oriented with the long axis parallel to bedding"
Size classes: macrofossils, mesofossils
Collected by R. West in 1984
Collection methods: quarrying, surface (float), surface (in situ), mechanical, sieve,
Primary reference: D. J. Chure and G. F. Engelmann. 1989. The fauna of the Morrison Formation in Dinosaur National Monument. In J. J. Flynn (ed.), Mesozoic/Cenozoic Vertebrate Paleontology: Classic Localities, Contemporary Approaches: Field Trip Guide Book T322. American Geophysical Union, Washington, DC 8-14 [M. Carrano/K. Maguire/M. Carrano]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 57913: authorized by Matthew Carrano, entered by Kaitlin Maguire on 06.01.2006, edited by Matthew Carrano and Jonathan Tennant
Creative Commons license: CC BY (attribution)
Taxonomic list
Gnathostomata | |
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Osteichthyes | |
Amniota indet. Haeckel 1866 amniote | |
Reptilia | |
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Opisthias sp. Gilmore 1909 lepidosaur | |
Theropoda indet. theropod
Allosaurus sp. Marsh 1877 allosauroid | |
? Fabrosaurus sp. Ginsburg 1964 Fabre's lizard | |
Stegosaurus sp. Marsh 1877 ornithischian | |
Camptosaurus sp. Marsh 1885 ornithopod | |
Dryosaurus sp. Marsh 1894 ornithopod | |
Sauropoda indet. sauropod | |
Camarasaurus sp. Cope 1877 camarasaurid | |
Crocodylia indet. crocodilian | |
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Lacertilia indet. lizard | |
Glyptops plicatulus Cope 1877 turtle | |
Mammalia | |
Mammalia indet. Linnaeus 1758 mammal | |
Multituberculata indet. Cope 1884 multituberculate | |
Theria indet. Parker and Haswell 1897 mammal | |
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Amphibia | |
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Rhadinosteus parvus n. gen. n. sp.5
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Caudata indet. salamander | |
Iridotriton hechti n. gen. n. sp.2
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Gnathostomata | |
Chondrichthyes indet. Huxley 1880 cartilaginous fish | |
unclassified | |
Mollusca indet. Linnaeus 1758 |