DNM 375, Dinosaur National Monument (Jurassic to of the United States)

Where: Fremont County, Utah (40.5° N, 109.2° W: paleocoordinates 36.5° N, 55.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Brushy Basin Member (Morrison Formation), Kimmeridgian to Kimmeridgian (157.3 - 145.0 Ma)

• upper part of member

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collection methods: bulk, sieve,

Primary reference: E. S. Bray and K. F. Hirsch. 1998. Eggshell from the Upper Jurassic Morrison Formation. Modern Geology 23(1-4):219-240 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 53035: authorized by Matthew Carrano, entered by Kaitlin Maguire on 01.09.2005, edited by Matthew Carrano, Mark Uhen and Terri Cleary

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Amphibia
 Caudata -
Caudata indet. salamander
Mammalia
  -
Mammalia indet. Linnaeus 1758 mammal
 Multituberculata - Allodontidae
Ctenacodon sp.2 Marsh 1879 multituberculate
 Theriamorpha - Spalacotheriidae
Spalacotheriidae indet.2 Marsh 1887 mammal
 Theriamorpha - Paurodontidae
Araeodon intermissus2 Simpson 1937 mammal
 Theriamorpha - Dryolestidae
Dryolestidae indet.2 Marsh 1879 mammal
Amblotherium sp.2 Owen 1871 mammal
Amblotherium debilis2 Marsh 1881 mammal
Amblotherium gracilis2 Marsh 1879 mammal
Dryolestes priscus2 Marsh 1878 mammal
Herpetairus arcuatus2 Marsh 1879 mammal
Euthlastus cordiformis2 Simpson 1927 mammal
 Eutriconodonta - Triconodontidae
Triconolestes curvicuspis n. gen. n. sp.2
Triconolestes curvicuspis n. gen. n. sp.2 Engelmann and Callison 1998 mammal
Reptilia
 Squamata -
Schillerosaurus utahensis n. gen. n. sp.3
Schillerosaurus utahensis n. gen. n. sp.3 Nydam et al. 2013 squamates
DNM 14720 (holotype), part and counterpart of dissociated skeleton
 Dinosauria -
Dinosauria indet. dinosaur
eggshell
 Ornithischia -
Ornithischia indet. ornithischian
 Theropoda -
 Eosuchia - Sphenodontidae
Sphenodontidae indet. Cope 1871 lepidosaur
 Choristodera - Cteniogenyidae
Cteniogenys sp.1 Gilmore 1928 choristodere
DINO 14735