Ninemile Hill (Jurassic of the United States)

Also known as UW V-98046, WY-82

Where: Carbon County, Wyoming (42.0° N, 106.1° W: paleocoordinates 38.0° N, 52.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Morrison Formation, Early/Lower Tithonian (150.8 - 145.0 Ma)

• < 1 m below contact of approx. 15-m-thick unit of dark gray mudstone marking top of Morrison; total unit thickness here = 143 m

• bed-level stratigraphic resolution

Environment/lithology: wet floodplain; gray claystone

Size classes: macrofossils, mesofossils

Reposited in the UW

Collection methods: bulk, quarrying, surface (float), surface (in situ), mechanical, sieve,

Primary reference: C. E. Turner and F. Peterson. 1999. Biostratigraphy of dinosaurs in the Upper Jurassic Morrison Formation of the Western Interior, U.S.A. In D. D. Gillette (ed.), Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publication 99-1:77-114 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 56654: authorized by Matthew Carrano, entered by Matthew Carrano on 21.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Dipnoi - Ceratodontidae
Ceratodus sp.1 Agassiz 1838 lungfish
Mammalia
  -
Mammalia indet.1 Linnaeus 1758 mammal
 Theriamorpha - Dryolestidae
Dryolestes sp.1 Marsh 1878 mammal
Laolestes sp.1 Simpson 1927 mammal
 Allotheria -
Multituberculata indet.1 Cope 1884 multituberculate
 Multituberculata - Allodontidae
Ctenacodon sp.1 Marsh 1879 multituberculate
Psalodon sp.1 Simpson 1926 multituberculate
Osteichthyes
 Docodonta - Docodontidae
Docodon sp.1 Marsh 1881 dodocont
Reptilia
 Loricata -
Crocodylia indet.1 crocodilian
 Ornithischia -
"Drinker sp." = Nanosaurus
"Drinker sp." = Nanosaurus Marsh 1877 ornithopod
tooth
 Saurischia - Camarasauridae
Camarasaurus sp.1 Cope 1877 camarasaurid
 Saurischia - Diplodocidae
Diplodocus sp.1 Marsh 1878 diplodocine
 Theropoda -
Allosaurus sp.1 Marsh 1877 allosauroid
 Choristodera - Cteniogenyidae
Cteniogenys antiquus2 Gilmore 1928 choristodere
 Lepidosauria -
 Squamata -
 Testudinata - Pleurosternidae
Glyptops sp.1 Marsh 1890 turtle
Dinochelys sp.1 Gaffney 1979 turtle
 Testudines -
"Chelonia indet." = Testudines1
"Chelonia indet." = Testudines1 Batsch 1788 turtle
Amphibia
 Caudata -
Caudata indet.1 salamander
Gnathostomata
  -
Actinopterygii indet.1 ray-finned fish