Where: Cochise County, Arizona (31.8° N, 110.4° W: paleocoordinates 32.5° N, 74.1° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Turney Ranch Formation (Bisbee Group), Late/Upper Albian to Late/Upper Albian (105.3 - 93.5 Ma)
• bed-level stratigraphic resolution
Environment/lithology: fluvial; lithified, fine-grained, coarse, gray sandstone
Size classes: macrofossils, microfossils
Preservation: trace
Collected by R. Thompson and Arizona-Sonora Desert Museum in 1994-1999
Collection methods: quarrying, chemical, mechanical, peel or thin section,
• discovered by "amateur fossil collectors"
Primary reference: D. W. Thayer and R. P. Ratkevich. 1995. In-progress dinosaur excavation in the mid-Cretaceous Turney Ranch Formation, southeastern Arizona. Proceedings of the Fossils of Arizona Symposium III, Mesa, AZ. Mesa Southwest Museum and Southwest Paleontological Society 63-74 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 13105: authorized by Matthew Carrano, entered by Matthew Carrano on 21.01.2002, edited by Philip Mannion
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Gymnospermophyta indet. Cleal 1994
Cycadophyta indet. Bessey 1907 | |
Ginkgoopsida | |
Ginkgo sp. Linnaeus 1771 ginkgo | |
Reptilia | |
Dinosauria indet. Owen 1842 dinosaur | |
Sonorasaurus thompsoni n. gen. n. sp.2
| |
| |
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle |