Stovall's Pit 1, Kenton (OMNH V92) (Jurassic to of the United States)

Also known as OK-1, WPA, OMNH Quarry 1

Where: Cimarron County, Oklahoma (36.9° N, 102.8° W: paleocoordinates 32.2° N, 50.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Kenton Member (Morrison Formation), Late/Upper Kimmeridgian to Late/Upper Kimmeridgian (155.7 - 145.0 Ma)

• 12.04 m below top of formation; 38 m above the J5 unconformity

• bed-level stratigraphic resolution

Environment/lithology: wet floodplain; gray, green mudstone and sandstone

• poorly drained floodplain; "The depositional facies of the quarry suggest that the bones were transported by a flood splay(s)."

Size classes: macrofossils, mesofossils

Collected by J. W. Stovall in 1931-1932, 1935–1942

Collection methods: quarrying, mechanical,

Primary reference: J. W. Stovall. 1938. The Morrison of Oklahoma and its dinosaurs. Journal of Geology 46:583-600 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 49338: authorized by Matthew Carrano, entered by Matthew Carrano on 13.04.2005, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia -
Sauropoda indet.1 sauropod
Camarasaurus or Apatosaurus; OMNH 1247, 1250, 1206, 1233, 1412, 1230
 Saurischia - Diplodocidae
"Apatosaurus parvus" = Brontosaurus parvus5 Peterson and Gilmore 1902 diplodocid
OMNH 1300 (scapula)
cf. Apatosaurus sp.4 Marsh 1877 diplodocid
NISP = 33
Diplodocinae indet.4 diplodocine
Barosaurus sp. or Diplodocus sp.
Diplodocus sp.4 Marsh 1878 diplodocine
 Saurischia - Brachiosauridae
Brachiosaurus sp.6 Riggs 1903 brachiosaurid
OMNH 01138
 Ornithischia - Stegosauridae
Stegosaurus sp. Marsh 1877 ornithischian
 Ornithischia -
? Camptosaurus sp. Marsh 1885 ornithopod
Camptosaurus dispar7 Marsh 1879 ornithopod
NISP = 19
 Theropoda -
? Ceratosaurus sp., "Saurophagus maximus n. gen. n. sp." = Allosaurus fragilis3
? Ceratosaurus sp. Marsh 1884 ceratosaur
"Saurophagus maximus n. gen. n. sp." = Allosaurus fragilis3 Marsh 1877 allosauroid
OMNH 4666 (tibia) only
 Theropoda - Allosauridae
Saurophaganax maximus n. gen. n. sp.2
Saurophaganax maximus n. gen. n. sp.2 Chure 1995 allosaurid
remainder of original Saurophagus maximus material