Pecan Valley Estates (Cretaceous of the United States)

Also known as SMU Loc. 157

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

• coordinate based on political unit

• outcrop-level geographic resolution

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

• apparently from two closely spaced beds

• group of beds-level stratigraphic resolution

Environment/lithology: deltaic; mudstone and sandstone

• "fluvial meanderbelt to coastal barrier and deltaic facies"
• shale/mudstone and sandstone

Size classes: macrofossils, mesofossils

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 14411: authorized by John Alroy, entered by John Alroy on 19.05.2000, edited by Roger Benson

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Eutriconodonta - Triconodontidae
Astroconodon denisoni2 Patterson 1951 mammal
 Tribosphenida - Holoclemensiidae
Holoclemensia texana1 Slaughter 1968 eutherian
see Jacobs et al. 1989
 Multituberculata -
? Paracimexomys sp.2 Archibald 1982 multituberculate
Reptilia
 Squamata - Anguidae
? Anguidae indet. Gray 1825 squamates
 Loricata -
Crocodylia indet. crocodilian
Amphibia
 Salientia - Discoglossidae
? Discoglossidae indet. Günther 1859 painted frog
 Caudata - Prosirenidae
Prosiren elinorae Goin and Auffenberg 1958 salamander
Osteichthyes
 Ophiopsiformes - Ophiopsiellidae
Macrepistius sp. Cope 1894 ray-finned fish
Actinopteri
 Amiiformes - Amiidae
? Melvius sp. Bryant 1988 bowfin
 Pycnodontiformes -
 Pycnodontiformes - Pycnodontidae
Callodus coronatus Thurmond 1974
Chondrichthyes
 Hybodontiformes - Hybodontidae
"Hybodus cf. butleri" = Meristodonoides butleri
"Hybodus cf. butleri" = Meristodonoides butleri Thurmond 1971 elasmobranch