SMU locality 241 (Cretaceous of the United States)

Where: Tarrant County, Texas (32.7° N, 97.3° W: paleocoordinates 30.1° N, 57.1° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Paw Paw Formation (Washita Group), Albian (113.0 - 100.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; brown, silty mudstone

• Nearshore marine facies, including deltaic or estuarine
• Calcareous nodules, vertical sand/caliche-filled cracks; fine shell hash lenses; medium to dar brown; scattered Crassostrea.

Size class: macrofossils

Collected by J. Maurice in 1989

Collection methods: quarrying, surface (float), mechanical,

• Discovered by Johnny Maurice in 1989

Primary reference: L. L. Jacobs, D. A. Winkler, P. A. Murry and J. M. Maurice. 1994. A nodosaurid scuteling from the Texas shore of the Western Interior Seaway. In K. Carpenter, K. F. Hirsch, J. R. Horner (eds.), Dinosaur Eggs and Babies 337-346 [M. Carrano/K. Maguire/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 52126: authorized by Matthew Carrano, entered by Kaitlin Maguire on 26.07.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Suarodon sp.
or Saurocephalus sp.
 Decapoda - Etyidae
"Xanthosia aspera" = Steorrosia aspera, Xanthosia wintoni
"Xanthosia aspera" = Steorrosia aspera Rathbun 1935 crab
 Decapoda - Palaeocorystidae
Raninella sp. Milne-Edwards 1862 crab
 Decapoda - Palinuridae
Linuparus adkinsi Rathbun 1935 spiny lobster
 Pectinida - Pectinoidae
Neithea sp. Drouet 1825 scallop
 Pectinida - Limidae
Lima sp. Bruguière 1797 file clam
 Ostreida - Ostreidae
"Lopha quadriplicata" = Peilinia quadriplicata
"Lopha quadriplicata" = Peilinia quadriplicata Kues 1997 oyster
 Cardiida -
 Trigoniida - Trigoniidae
 Sorbeoconcha - Turritellidae
Turritella sp. Lamarck 1799 turret shell
 Ammonitida - Engonoceratidae
Engonoceras sp. Neumayr and Uhlig 1881 ammonite
 Myliobatiformes - Myliobatidae
Pseudohypolophus sp. Cappetta and Case 1975 eagle ray
 Lamniformes - Anacoracidae
Squalicorax sp. Whitley 1939 crow shark
 Lamniformes - Eoptolamnidae
Leptostyrax macrorhiza mackerel shark
 Lamniformes - Cretoxyrhinidae
"Paraisurus macrorhiza" = Paraisurus compressus Sokolov 1978 mackerel shark
Cretolamna appendiculata Agassiz 1843 mackerel shark
 Testudines -
Testudines indet. Batsch 1788 turtle
 Ornithischia - Nodosauridae
Nodosauridae indet. Marsh 1890 ornithischian
Asteroidea indet. de Blainville 1830 sea star
Echinoidea indet. Leske 1778 sea urchin
 Roveacrinida -