Also known as Post Quarry, Dockum Group, ETE Locality 1583, MOTT VPL 3624

Where: Garza County, Texas (33.5° N, 101.3° W: paleocoordinates 8.2° N, 41.5° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Cooper Canyon Formation (Dockum Group), Norian (228.0 - 208.5 Ma)

• About 50 metres above the contact between the top of the Trujillo Sandstone and the base of the Cooper Canyon Formation and can be correlated to lithologic unit 9 of the nearby type section of the Cooper Canyon Formation. Upper part of the "lower unit" of the formation.

• bed-level stratigraphic resolution

Environment/lithology: "floodplain"; red mudstone and sandstone

Size classes: macrofossils, mesofossils

Collected by S. Chatterjee in 1977–

Collection methods: quarrying, mechanical,

• The quarry is 90 x 90 m in size and the bone bed is 30 cm thick. "...a diverse mixture of massive and delicate elements...found entirely in the mudstone, associated, but disarticulated." ETE Size: .; ETE reference list: 701, 698, 696, 692, 690, 686, 685, 731, 684, 729, 730, 872, 873, 874, 875, 869, 870, 871, 868, 867, 866, 865, 864, 863, 862, 861, 860, 852, 734, 775, 856, 859, ; ETE museum list:

•

Primary reference: Anonymous. 1983. Dinosaur ancestors unearthed in Texas. Science News 124(23):357 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 13273: authorized by John Alroy, entered by Robin Whatley on 12.02.2002, edited by Matthew Carrano, Richard Butler and Bethany Allen

Creative Commons license: CC BY (attribution)