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

Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Gnathostomata
  -
Osteichthyes indet. bony fish
"fish"
Mammalia
 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)
Dakotamys malcolmi1 Eaton 1995 multituberculate
UMNH VP 14163 (Rm1) and UMNH VP 12851 (LM2)
 Multituberculata - Cimolodontidae
? Cimolodontidae indet.1 Marsh 1889 multituberculate
UMNH VP 12838 (LP4)
 Multituberculata -
cf. Paracimexomys sp.1 Archibald 1982 multituberculate
UMNH VP 14165 (RM1)
Paracimexomys sp.1 Archibald 1982 multituberculate
Reptilia
 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
 Squamata - Contogeniidae
Utahgenys antongai n. sp.3 Nydam 2013 squamates
UMNH VP 12912 (holotype), posterior portion of left maxilla
 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 -
Anguimorpha indet.3 squamates
UMNH VP 13004, 13005, 13007, osteoderms
Platynota "indet. Dakota morphotype E"3 squamates
UMNH VP 12920, jaw fragment
 Loricata -
Crocodylia indet. crocodilian
 Dinosauria -
Dinosauria indet. dinosaur
incl. eggshell
Amphibia
 Temnospondyli - Albanerpetontidae
Albanerpetontidae indet.2 Fox and Naylor 1982 tetrapod
 Salientia -
Anura indet.2 Fischer von Waldheim 1813 frog