NMMNH L-555, San Ysidro Camarasaurus Quarry (Jurassic to of the United States)

Also known as San Ysidro 1, Rigby's Camarasaurus, NM-3

Where: Sandoval County, New Mexico (35.5° N, 106.8° W: paleocoordinates 31.5° N, 54.7° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• ca. 27 m below base of overlying Jackpile Sandstone

• bed-level stratigraphic resolution

Environment/lithology: dry floodplain; pebbly conglomerate and shale

• well-drained floodplain
• "shales and clay-pebble conglomerates"

Size class: macrofossils

Collected by W. Johnstone, J. Rigby, B. Kues in 1978; reposited in the NMMNH

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

Primary reference: J. K. Rigby. 1982. Camarasaurus cf. supremus from the Morrison Formation near San Ysidro, New Mexico—the San Ysidro dinosaur. In S. G. Wells, J. A. Grambling, & J. F. Callender (eds.), New Mexico Geological Society, 33th Field Conference, Albuquerque Country II 33:271-272 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 68099: authorized by Matthew Carrano, entered by Matthew Carrano on 03.01.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Theropoda -
Allosaurus sp.1 Marsh 1877 allosauroid
isolated teeth
 Saurischia - Camarasauridae
Camarasaurus grandis2 Marsh 1877 camarasaurid
NMMNH P-21094