Doss Ranch, SMU Loc. 226-1 (Cretaceous of the United States)

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

• "brackish water lagoonal or estuarine environment"

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 -
Testudines indet. Batsch 1788 turtle
 Testudinata - Helochelydridae
Naomichelys sp. Hay 1908 turtle
 Theropoda - Dromaeosauridae
? Dromaeosauridae indet. Colbert and Russell 1969 maniraptoran
 Ornithischia -
Tenontosaurus dossi n. sp. Winkler et al. 1997 ornithopod
FWMSH 93B1
Bivalvia
 Ostreida - Ostreidae
Ostreidae indet. Rafinesque 1815 oyster