Nail Quarry (Jurassic to of the United States)

Also known as WY-39

Where: Albany County, Wyoming (41.9° N, 106.0° W: paleocoordinates 37.5° N, 52.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Talking Rocks Member (Morrison Formation), Kimmeridgian to Kimmeridgian (157.3 - 145.0 Ma)

• "Talking Rocks Member" near middle of formation

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray, calcareous claystone

• "gray smectitic claystone with some limestone"

Size class: macrofossils

Collected by D. Kralis & R. T. Bakker in 1990-1991

Collection methods: quarrying, mechanical,

Primary reference: R. T. Bakker, J. Siegwarth, D. Kralis and J. Filla. 1992. Edmarka rex, a new, gigantic theropod dinosaur from the middle Morrison Formation, Late Jurassic of the Como Bluff outcrop region. Hunteria 2(9):1-24 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 49627: authorized by Matthew Carrano, entered by Matthew Carrano on 21.04.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia - Diplodocidae
Diplodocus sp.2 Marsh 1878 diplodocine
juvenile
Apatosaurus sp.2 Marsh 1877 diplodocid
TATE 099-1 (incl. skull)
 Saurischia - Camarasauridae
Camarasaurus sp.2 Cope 1877 camarasaurid
 Avetheropoda - Allosauridae
Allosaurus sp.2 Marsh 1877 allosaurid
 Saurischia - Megalosauridae
"Edmarka rex n. gen. n. sp." = Torvosaurus tanneri
"Edmarka rex n. gen. n. sp." = Torvosaurus tanneri Galton and Jensen 1979 tetanuran
 Ornithischia - Stegosauridae
Stegosaurus sp.2 Marsh 1877 ornithischian
 Loricata -
Crocodylia indet.1 crocodilian