SMU locality 263 (upper Paw Paw Fm.) (Cretaceous of the United States)

Where: Tarrant County, Texas (32.9° N, 97.3° W: paleocoordinates 30.2° N, 59.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Paw Paw Formation, Late/Upper Albian (105.3 - 99.6 Ma)

• from the uppermost 3 m of the formation centered on about the 7 m level in the local section

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; concretionary, brown, calcareous claystone

• formation is mostly "clay," so this "mudstone" interval is presumably clayenvironment is "predominantly nearshore marine"
• brown to dark brown mudstone; calcareous nodules, vertical sand/caliche-filled cracks

Size classes: macrofossils, mesofossils

Collection methods: quarrying, mechanical,

Primary reference: Y. -N. Lee. 1996. A new nodosaurid ankylosaur (Dinosauria: Ornithschia) from the Paw Paw Formation (late Albian) of Texas. Journal of Vertebrate Paleontology 16(2):232-245 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 5195: authorized by John Alroy, entered by John Alroy on 01.09.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• not clear if invertebrates were collected; interval also includes the nodosaur Pawpawsaurus campbelli
Malacostraca
  -
Malacostraca indet. Latreille 1802
"crab fragments"
Bivalvia
 Ostreida - Ostreidae
Crassostrea sp. Sacco 1897 oyster
Gnathostomata
  -
Osteichthyes indet. bony fish
"Small fish teeth"
Reptilia
 Ornithischia - Nodosauridae
Pawpawsaurus campbelli n. gen. n. sp.
Pawpawsaurus campbelli n. gen. n. sp. Lee 1996 ornithischian