Stephenville Printing (Cretaceous of the United States)

Also known as SMU 17

Where: Erath County, Texas (32.2° N, 98.2° W: paleocoordinates 29.8° N, 58.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Paluxy Formation, Albian (113.0 - 100.5 Ma)

• from two beds separated by about 1 m

• group of beds-level stratigraphic resolution

Environment/lithology: deltaic; sandstone

• "fluvial meanderbelt to coastal barrier and deltaic facies"

Primary reference: D. A. Winkler, P. A. Murry, and L. L. Jacobs. 1990. Early Cretaceous (Comanchean) vertebrates of central Texas. Journal of Vertebrate Paleontology 10(1):95-116 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 27613: authorized by John Alroy, entered by John Alroy on 14.12.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hybodontiformes - Lonchidiidae
 Rajiformes -
Pseudohypolophus mcnultyi Thurmond 1971 guitarfish
 Lamniformes - Eoptolamnidae
"Leptostyrax bicuspidatus" = Leptostyrax macrorhiza
"Leptostyrax bicuspidatus" = Leptostyrax macrorhiza Cope 1875 mackerel shark
Osteichthyes
 Ophiopsiformes - Ophiopsiellidae
Macrepistius sp. Cope 1894 ray-finned fish
Actinopteri
 Amiiformes - Amiidae
Amiidae indet. Huxley 1861 bowfin
 Aulopiformes - Enchodontidae
Enchodus sp. Agassiz 1835
 Pycnodontiformes -
Paramicrodon estesi Thurmond 1974
Reptilia
 Squamata -
 Loricata -
Crocodylia indet. crocodilian
 Testudines -
Testudines indet. Batsch 1788 turtle