UMNH VP Loc. 162, Cedar Canyon roadcut (Cretaceous to of the United States)

Also known as UMNH 162E

Where: Iron County, Utah (37.6° N, 113.0° W: paleocoordinates 39.4° N, 75.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Naturita Formation, Middle Cenomanian to Middle Cenomanian (99.6 - 93.5 Ma)

• located a few m above loc. VP 161

•middle member of the "Dakota Formation" = Naturita Fm. here.

• bed-level stratigraphic resolution

Environment/lithology: "floodplain"; green, blue mudstone and sandstone

• "green to purplish mudstones and channel sandstones"; fossils are in mudstones directly beneath channel sandstones

Size classes: macrofossils, mesofossils

Collected by J. G. Eaton in 2000

Collection methods: bulk, surface (float), surface (in situ),

Primary reference: J. G. Eaton. 2004. New screen-washing approaches to biostratigraphy and paleoecology of nonmarine rocks, Cretaceous of Utah. In M. R. Dawson & J. A. Lillegraven, Fanfare for an Uncommon Paleontologist: Papers in Honor of Malcolm C. McKenna. Bulletin of Carnegie Museum of Natural History 36:21-30 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 73433: authorized by Matthew Carrano, entered by Matthew Carrano on 15.06.2007, edited by Philip Mannion, Terri Cleary and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes indet. bony fish
 Temnospondyli - Albanerpetontidae
Albanerpetontidae indet.2 Fox and Naylor 1982 tetrapod
 Salientia -
Anura indet.2 Fischer von Waldheim 1813 frog
 Dinosauria -
Dinosauria indet. dinosaur
incl. eggshell
 Loricata -
Crocodylia indet. crocodilian
 Squamata -
Anguimorpha indet.3 squamates
UMNH VP 13004, 13005, 13007, osteoderms
Platynota "indet. Dakota morphotype E"3 squamates
UMNH VP 12920, jaw fragment
 Squamata - Polyglyphanodontidae
Bicuspidon smikros n. sp.3 Nydam 2013 squamates
UMNH VP 11627 (holotype), partial right dentary; VP 12900; VP 12923; VP 12949; VP 13001; VP 13004-13007
 Squamata - Contogeniidae
Utahgenys antongai n. sp.3 Nydam 2013 squamates
UMNH VP 12912 (holotype), posterior portion of left maxilla
 Squamata -
cf. Scincoidea "indet. Dakota morphotype A"3 squamates
UMNH VP 19224, jaw fragment
cf. Scincoidea "indet. Dakota morphotype B"3 squamates
UMNH VP 12918, jaw fragment
 Theriamorpha - Alphadontidae
? Eoalphadon sp.1 Eaton 2009 metatherian
UMNH VP 12852 (Rmx talonid)
Eoalphadon woodburnei n. sp.1 Eaton 2009 metatherian
UMNH VP 12842 - type (RM3 in maxillary fragment) referred specimen: UMNH VP 12837 (Lm3)
 Multituberculata -
Cedaromys minimus n. sp.1 Eaton 2009 multituberculate
UMNH VP 12836 - type (LM1); hypodigm: UMNH VP 12855 (Rp4)
 Multituberculata - Cimolodontidae
? Cimolodontidae indet.1 Marsh 1889 multituberculate
UMNH VP 12838 (LP4)
 Multituberculata -
Dakotamys malcolmi1 Eaton 1995 multituberculate
UMNH VP 14163 (Rm1) and UMNH VP 12851 (LM2)
cf. Paracimexomys sp.1 Archibald 1982 multituberculate
UMNH VP 14165 (RM1)
Paracimexomys sp.1 Archibald 1982 multituberculate
Ostracoda indet. Latreille 1802 ostracod
Gastropoda indet. Cuvier 1795 snail