LSUMG 491, Talley Mountain (Cretaceous of the United States)

Also known as VL-491

Where: Brewster County, Texas (29.1° N, 103.2° W: paleocoordinates 35.5° N, 76.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Upper Shale Member (Aguja Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: channel lag; paleosol/pedogenic, intraclastic, sandy conglomerate

• "lag deposits from the base of fluvial channels"
• "carbonate-cemented, pedogenic-nodule, sandstone conglomerates containing numerous clasts of clay, pedogenic nodules..."

Size class: mesofossils

Collection methods: bulk, sieve,

Primary reference: J. T. Sankey. 2001. Late Campanian southern dinosaurs, Aguja Formation, Big Bend, Texas. Journal of Paleontology 75(1):208-215 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 68004: authorized by Matthew Carrano, entered by Matthew Carrano on 21.12.2006, edited by Mark Bell

Creative Commons license: CC BY (attribution)

Taxonomic list

Gnathostomata
  -
Chondrichthyes indet.3 Huxley 1880 cartilaginous fish
Chondrichthyes
 Hybodontiformes - Lonchidiidae
"Lissodus selachos" = Lonchidion selachos3
"Lissodus selachos" = Lonchidion selachos3 Estes 1964 elasmobranch
LSUMG 491:5965
 Rhinopristiformes - Pristidae
Onchopristis sp.3 Stromer 1917 sawfish
 Sclerorhynchiformes - Sclerorhynchidae
Ischyrhiza sp.3 Leidy 1856 elasmobranch
Ischyrhiza avonicola3 Estes 1964 elasmobranch
LSUMG 491:5977
 Sclerorhynchiformes - Ptychotrygonidae
Ptychotrygon sp.3 Jaekel 1894 elasmobranch
 Myliobatiformes - Dasyatidae
Dasyatidae indet.3 Jordan 1888 whiptail stingray
 Orectolobiformes - Orectolobidae
Squatirhina sp.3 Casier 1947 wobbegong
Gnathostomata
  -
Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.3 Cuvier 1825 gar
Osteichthyes
 Temnospondyli - Albanerpetontidae
Albanerpeton sp.1 Estes and Hoffstetter 1976 tetrapod
LSUMG 491:5958 (named in reference 46717)
Reptilia
 Theropoda -
 Avetheropoda - Dromaeosauridae
Saurornitholestinae indet.2 Longrich and Currie 2009 coelurosaur
LSUMG 491:5950, 5980
 Avetheropoda - Tyrannosauridae
Tyrannosauridae indet.3 Osborn 1906 tyrannosaurid
 Neornithischia - Hadrosauridae
Hadrosauridae indet. Cope 1869 hadrosaurid
LSUMG 491:5544
 Loricata -
Crocodylia indet.3 crocodilian
[entered as Crocodylian indet.]
 Crocodylia -
Brachychampsa sp.3 Gilmore 1911 crocodilian
Mammalia
 Theriiformes - Marsupialia
 Multituberculata -
cf. Paracimexomys sp.4 Archibald 1982 multituberculate
LSUMG 491:5778
 Multituberculata - Neoplagiaulacidae
Mesodma sp.4 Jepsen 1940 multituberculate
LSUMG 491:5779