LSUMG 492, Talley Mountain (Cretaceous of the United States)

Also known as VL-492

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 68006: 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.2 Huxley 1880 cartilaginous fish
Chondrichthyes
 Hybodontiformes - Lonchidiidae
"Lissodus selachos" = Lonchidion selachos2
"Lissodus selachos" = Lonchidion selachos2 Estes 1964 elasmobranch
 Sclerorhynchiformes - Ptychotrygonidae
Ptychotrygon sp.2 Jaekel 1894 elasmobranch
 Orectolobiformes - Orectolobidae
Squatirhina sp.2 Casier 1947 wobbegong
Gnathostomata
  -
Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.2 Cuvier 1825 gar
Reptilia
 Avetheropoda - Dromaeosauridae
Richardoestesia isosceles Sankey 2001 coelurosaur
LSUMG 492:6264
Saurornitholestes cf. langstoni Sues 1978 coelurosaur
LSUMG 492:5158
 Ornithischia -
Ornithischia indet. ornithischian
 Neornithischia - Ceratopsidae
Ceratopsidae indet. Marsh 1888 ceratopsid
LSUMG 492:5581
 Neornithischia - Hadrosauridae
Hadrosauridae indet.2 Cope 1869 hadrosaurid
 Loricata -
Crocodylia indet.2 crocodilian
[entered as Crocodylian indet.]
 Crocodylia -
Brachychampsa sp.2 Gilmore 1911 crocodilian
 Squamata - Chamopsiidae
Peneteius sp.1 Estes 1969 lizard
LSUMG 492:6253
Mammalia
  -
Mammalia indet.2 Linnaeus 1758 mammal
 Theriiformes -
"Marsupialia indet." = Metatheria2
"Marsupialia indet." = Metatheria2 Huxley 1880 marsupial
 Didelphimorphia - Alphadontidae
Alphadon cf. halleyi3 Sahni 1972 marsupial
LSUMG 492:6252