NMMNH locality L-344 (Jurassic to of the United States)

Also known as Seismosaurus Quarry I, SSI, NM-4

Where: Sandoval County, New Mexico (35.6° N, 106.9° W: paleocoordinates 31.4° N, 54.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Jackpile Sandstone Member (Morrison Formation), Kimmeridgian to Kimmeridgian (157.3 - 145.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: "channel"; lithified, lenticular, coarse-grained, cherty/siliceous sandstone

Size classes: macrofossils, mesofossils

Preservation: original calcite

Collected by A. Loy, J. Cummings, F. Walker, B. Norlander, D. Gillette in 1979, 1985, 1987-1988; reposited in the NMMNH

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

Primary reference: D. D. Gillette, J. L. Gillette, and D. A. Thomas. 1985. A diplodocine dinosaur in the Morrison Formation (Upper Jurassic) of New Mexico. Abstracts of the Symposium of Southwestern Geology and Paleontology 4 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 51992: authorized by Matthew Carrano, entered by Matthew Carrano on 08.07.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Reptilia
 Saurischia - Diplodocidae
"Seismosaurus halli n. gen. n. sp." = Diplodocus hallorum2
"Seismosaurus halli n. gen. n. sp." = Diplodocus hallorum2 Gillette 1991 diplodocine
 Saurischia -
Theropoda indet.1 Marsh 1881 theropod