Paluxy Church (Cretaceous of the United States)

Also known as Paluxy; SMU locality 138

Where: Hood County, Texas (32.3° N, 97.9° W: paleocoordinates 30.5° N, 51.6° W)

• coordinate based on nearby landmark

When: Twin Mountains Formation (Trinity Group), Aptian (125.0 - 113.0 Ma)

• fossiliferous horizon is "approximately 12 m below the Thorp Spring ('Middle') Member of the Glen Rose Formation". Also listed as Travis Peak Fm.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; siltstone

Size classes: macrofossils, mesofossils

Primary reference: B. H. Slaughter. 1969. Astroconodon, the Cretaceous Triconodont. Journal of Mammalogy 50(1):102-107 [J. Alroy/J. Alroy/J. Ju]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 14408: authorized by John Alroy, entered by John Alroy on 19.05.2000, edited by Matthew Carrano, Roger Benson and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

• referred to by Slaughter as Paluxy
Chondrichthyes
 Hybodontiformes - Polyacrodontidae
"Hybodus aff. parvidens" = Polyacrodus parvidens4
"Hybodus aff. parvidens" = Polyacrodus parvidens4 Woodward 1916 elasmobranch
SMU 62193-62195
 Myliobatiformes - Dasyatidae
"Pseudohypolophus mcnultyi" = Hypolophus mcnultyi6
"Pseudohypolophus mcnultyi" = Hypolophus mcnultyi6 Thurmond 1971 whiptail stingray
Actinopteri
 Salmoniformes - Enchodontidae
Enchodus sp.6 Agassiz 1843
"numerous specimens", but only two listed
 Pycnodontiformes - Pycnodontidae
Paramicrodon estesi n. gen. n. sp.5 Thurmond 1974
SMUSMP 62090-62092, 62097-62101
Proscincetes texanus6
SMUSMP 62139, 62140
Coelodus sp.5 Haeckel
SMUSMP 62268
 Pycnodontiformes - Nursallidae
Palaeobalistum geiseri n. sp.5 Thurmond 1974
SMUSMP 62093-62095, 62117-32
 Amiiformes -
Macrepistius sp.5 Cope 1895 bowfin
SMUSMP 62253, 62254
 Amiiformes - Amiidae
Amiidae indet.6 Huxley 1861 bowfin
 Lepisosteiformes -
Lepidotes sp.6 Agassiz 1843 gar
 Halecomorphi - Ophiopsiidae
? Ophiopsis sp.5 Agassiz 1843
Osteichthyes
 Salientia - Gobiatidae
Gobiates sp.2 Spinar and Tatarinov 1986 frog
 Salientia - Discoglossidae
? Discoglossidae indet.6 Günther 1859 painted frog
 Caudata - Prosirenidae
Prosiren elinorae6 Goin and Auffenberg 1958 salamander
Reptilia
 Testudines -
Testudines indet.6 Batsch 1788 turtle
 Dinosauria -
Dinosauria indet.6 dinosaur
"indeterminate ornithischian or saurischian"
 Saurischia -
 Theropoda -
 Avetheropoda - Dromaeosauridae
cf. Dromaeosauridae indet.6 Colbert and Russell 1969 coelurosaur
 Loricata -
Mesoeucrocodylia indet.3 Whetstone and Whybrow 1983 crocodilian
 Loricata - Pholidosauridae
 Loricata -
cf. Bernissartia sp.6 Dollo 1883 crocodilian
 Squamata - Teiidae
 Squamata - Anguidae
? Anguidae indet.6 Gray 1825 lizard
 Squamata -
Mammalia
 Eutriconodonta - Triconodontidae
Astroconodon denisoni Patterson 1951 mammal
 Theriiformes -
Theria indet.1 Parker and Haswell 1897 mammal