Cifelli #2 Eolambia caroljonesa Quarry (20.2) (Cretaceous to of the United States)

Also known as CEU

Where: Emery County, Utah (38.7° N, 111.3° W: paleocoordinates 39.3° N, 72.5° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Mussentuchit Member (Cedar Mountain Formation), Late/Upper Albian to Late/Upper Albian (105.3 - 93.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; volcaniclastic, gray, yellow claystone

• a "mudflat-transgressive lag deposition system" with local conditions suggestive of lacustrine final deposition as a regressive lag
• "light gray yellow bentonite"

Size classes: macrofossils, mesofossils

Preservation: replaced with calcite, replaced with silica, replaced with pyrite

Collection methods: quarrying, surface (in situ), mechanical,

Primary reference: J. R. Garrison, Jr., D. B. Brinkman, D. J. Nichols, P. Layer, D. L. Burge and D. Thayn. 2007. A multidisciplinary study of the Lower Cretaceous Cedar Mountain Formation, Mussentuchit Wash, Utah: a determination of the paleoenvironment and paleoecology of the Eolambia caroljonesa dinosaur quarry. Cretaceous Research 28:461-494 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 73611: authorized by Matthew Carrano, entered by Matthew Carrano on 21.06.2007, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Neopterygii -
 Pycnodontiformes - Pycnodontidae
 Lepisosteiformes -
cf. Lepidotes sp. Agassiz 1843 gar
 Lepisosteiformes - Lepisosteidae
Lepisosteus sp. de Lacep├Ęde 1803 gar
Osteichthyes
 Caudata -
Caudata indet. salamander
Reptilia
 Dinosauria -
Dinosauria indet. dinosaur
eggshell
 Neornithischia - Hypsilophodontidae
Hypsilophodontidae indet. Dollo 1882 hypsilophodontid
 Neornithischia -
Eolambia caroljonesa Kirkland 1998 bird foot dinosaur
 Loricata -
Mesoeucrocodylia indet. Whetstone and Whybrow 1983 crocodilian
Eusuchia indet. Huxley 1875 crocodilian
 Loricata - Pholidosauridae
 Loricata -
Bernissartia "sp. 1" Dollo 1883 crocodilian
Bernissartia "sp. 2" Dollo 1883 crocodilian
Mammalia
  -
Mammalia indet. Linnaeus 1758 mammal