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Lower Sunday Canyon locality , Randall County, Texas, USA

Lat/Long (Decimal)	34.955,-101.704
Co-ordinates Derivation	stated in text
Given Location	Texas, United States
Mindat.org Region (for given coordinates)	Randall County, Texas, USA

Collections

Collection	Reference	Stratigraphic Name	Comments	Lithology	Age
Lower Sunday Canyon locality (SMU Loc. 123)	Murry P. A. (1986)	Dockum - Tecovas	lower fossiliferous level	siltstone	228 - 208.5 Ma Late/Upper Triassic
Upper Sunday Canyon locality	Murry P. A. (1989)	Dockum - Trujillo	upper fossiliferous level	siltstone	237 - 208.5 Ma Late/Upper Triassic

Recorded Fossils

Accepted Name	Hierarchy	Age
Turseodus sp. genus	Animalia : Chordata : Actinopterygii : Palaeoniscidae : *Turseodus*	228 - 208.5 Ma Late/Upper Triassic
Lasalichthys sp. genus	Animalia : Chordata : Actinopteri : Palaeonisciformes : Redfieldiidae : *Lasalichthys*	228 - 208.5 Ma Late/Upper Triassic
Semionotus sp. genus	Animalia : Chordata : Actinopteri : Semionotiformes : Semionotidae : *Semionotus*	237 - 208.5 Ma Late/Upper Triassic
Triodus moorei species	Animalia : Chordata : Chondrichthyes : Xenacanthiformes : Xenacanthidae : Triodus : *Triodus moorei*	228 - 208.5 Ma Late/Upper Triassic
Coelacanthidae family	Animalia : Chordata : Sarcopterygii : Coelacanthiformes : Coelacanthidae	237 - 208.5 Ma Late/Upper Triassic
Metoposauridae family	Animalia : Chordata : Osteichthyes : Temnospondyli : Metoposauridae	228 - 208.5 Ma Late/Upper Triassic
Dromomeron gregorii species	Animalia : Chordata : Reptilia : Lagerpetonidae : Dromomeron : *Dromomeron gregorii*	228 - 208.5 Ma Late/Upper Triassic
Dromomeron romeri species	Animalia : Chordata : Reptilia : Lagerpetonidae : Dromomeron : *Dromomeron romeri*	228 - 208.5 Ma Late/Upper Triassic
Aetosauria unranked clade	Animalia : Chordata : Reptilia : Eosuchia : Aetosauria	228 - 208.5 Ma Late/Upper Triassic
Trilophosaurus buettneri species	Animalia : Chordata : Reptilia : Trilophosauridae : Trilophosaurus : *Trilophosaurus buettneri*	228 - 208.5 Ma Late/Upper Triassic
Rutiodon sp. genus	Animalia : Chordata : Reptilia : Phytosauridae : *Rutiodon*	228 - 208.5 Ma Late/Upper Triassic
Thecodontia order	Animalia : Chordata : Reptilia : Thecodontia	228 - 208.5 Ma Late/Upper Triassic

References

Murry P. A. (1986) Vertebrate paleontology of the Dockum Group, western Texas and eastern New Mexico, The Beginning of the Age of Dinosaurs: Faunal Change Across the Triassic–Jurassic Boundary. Cambridge University Press, Cambridge, 109-137

Murry P. A. (1989) Geology and paleontology of the Dockum Formation (Upper Triassic), west Texas and eastern New Mexico, Dawn of the Age of Dinosaurs in the American Southwest, New Mexico Museum of Natural History, Albuquerque, 102-144

Sarıgül V. (2016) New basal dinosauromorph records from the Dockum Group of Texas, USA, Palaeontologia Electronica 19 2, 21A

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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