SMU Loc. 241 (Cretaceous of the United States)

Also known as Motorola

Where: Tarrant County, Texas (32.7° N, 97.3° W: paleocoordinates 30.0° N, 59.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Pawpaw Formation (Washita Group), Late/Upper Albian (105.3 - 99.6 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, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Suarodon sp.
or Saurocephalus sp.
 Roveacrinida - Roveacrinidae
Poecilocrinus dispandus Peck 1943 Sea lily
Asteroidea indet. de Blainville 1830 sea star
Echinoidea indet. Leske 1778 sea urchin
 Lamniformes - Eoptolamnidae
Leptostyrax macrorhiza Cope 1875 mackerel shark
 Lamniformes - Anacoracidae
Squalicorax sp. Whitley 1939 crow shark
 Lamniformes - Otodontidae
"Cretolamna appendiculata" = Cretalamna appendiculata
"Cretolamna appendiculata" = Cretalamna appendiculata Agassiz 1835 mackerel shark
 Rajiformes -
Pseudohypolophus sp. Cappetta and Case 1975 guitarfish
 Orectolobiformes - Parascylliidae
Paraisurus macrorhiza Cappetta 1980 collared carpetshark
 Ornithischia - Nodosauridae
? Texasetes sp. Coombs 1995 ankylosaur
 Testudines -
Testudines indet. Batsch 1788 turtle
 Cerithioidea - Turritellidae
Turritella sp. Lamarck 1799 turret shell
 Ammonitida - Engonoceratidae
Engonoceras sp. Neumayr and Uhlig 1881 ammonite
 Pectinida - Limidae
Lima sp. Bruguière 1797 file clam
 Pectinida - Neitheoidae
Neithea sp. Drouet 1824 scallop
 Ostreida - Ostreidae
"Lopha quadriplicata" = Peilinia quadriplicata
"Lopha quadriplicata" = Peilinia quadriplicata Kues 1997 oyster
 Trigoniida - Trigoniidae
 Carditida - Crassatellidae
 Decapoda - Etyidae
"Xanthosia aspera" = Steorrosia aspera, Xanthosia wintoni n. sp.
"Xanthosia aspera" = Steorrosia aspera Rathbun 1935 crab
Xanthosia wintoni n. sp. Rathbun 1935 crab
 Decapoda - Raninidae
Raninella sp. Milne-Edwards 1862 crab
 Decapoda - Palinuridae
Linuparus adkinsi Rathbun 1935 spiny lobster