Where: Parker County, Texas (32.8° N, 97.9° W: paleocoordinates 30.8° N, 52.5° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Twin Mountains Formation (Trinity Group), Late/Upper Aptian (122.5 - 113.0 Ma)
• approx. 17 m below Glen Rose Limestone
• bed-level stratigraphic resolution
Environment/lithology: estuary or bay; concretionary, carbonaceous sandstone
Size classes: macrofossils, mesofossils
Preservation: concretion
Collected in 1988
Collection methods: quarrying, mechanical,
Primary reference: D. A. Winkler, P. A. Murry, and L. L. Jacobs. 1997. A new species of Tenontosaurus (Dinosauria: Ornithopoda) from the Early Cretaceous of Texas. Journal of Vertebrate Paleontology 17(2):330-348 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 52895: authorized by Matthew Carrano, entered by Matthew Carrano on 25.08.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Testudines indet. Batsch 1788 turtle | |
Naomichelys sp. Hay 1908 turtle | |
? Dromaeosauridae indet. Colbert and Russell 1969 maniraptoran | |
Tenontosaurus dossi n. sp.
| |
Bivalvia | |
Ostreidae indet. Rafinesque 1815 oyster |