Smoky Hollow Member (OMNH V4) (Cretaceous of the United States)

Also known as MNA 1003-1, PC3

Where: Garfield County, Utah (37.8° N, 111.5° W: paleocoordinates 41.2° N, 76.9° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Smoky Hollow Member (Straight Cliffs Formation), Late/Upper Turonian (93.5 - 89.3 Ma)

• said to be Turonian

• bed-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; green claystone

• "either a low energy fluvial or pond environment"

Size class: mesofossils

Collection methods: bulk, sieve,

Primary reference: J. G. Eaton and R. L. Cifelli. 1988. Preliminary report on Late Cretaceous mammals of the Kaiparowits Plateau, southern Utah. Contributions to Geology, University of Wyoming 26(2):45-55 [J. Alroy/J. Alroy/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14415: authorized by John Alroy, entered by John Alroy on 21.09.1998, edited by Matthew Carrano and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• original list of Eaton and Cifelli 1988 is entirely from this locality. Identifications of Eaton et al. 1999 for the "Smoky Hollow Member," exact provenance unclear: Picopsis sp. Dakotadens sp. "Alphadon sp." Protalphadon sp.
 Temnospondyli - Albanerpetontidae
Albanerpetontidae indet.3 Fox and Naylor 1982 tetrapod
OMNH 25403, 25391, 25393, 23706, 25397, 25399
Albanerpeton cifellii n. sp.3 Gardner 1999 tetrapod
OMNH 25400
 Proteida - Batrachosauroididae
 Squamata - Polyglyphanodontidae
Dicothodon cifellii5 Nydam et al. 2007 lizard
OMNH 23586
 Marsupialia -
Marsupialia "indet. A"1 marsupial
OMNH 20029, 20373, 20016-17, 20020, 20380
Marsupialia "indet. B"1 marsupial
OMNH 20113
 Theriiformes -
Theria "indet. A" Parker and Haswell 1897 mammal
OMNH 20030; possibly identifed as "Protalphadon sp." by Eaton et al. 1999
Theria "indet. B" Parker and Haswell 1897 mammal
OMNH 20032, 20036; possibly identifed as "Protalphadon sp." by Eaton et al. 1999
 Deltatheroida - Deltatheridiidae
? Deltatheridiidae indet. Gregory and Simpson 1926 metatherian
OMNH 20386; possibly identified as "Picopsis sp." by Eaton et al. 1999
 Theriiformes -
? Anchistodelphys delicatus n. sp.1 Cifelli 1990 metatherian
OMNH 20374-75, 20034
 Theriiformes - Spalacotheriidae
Symmetrodontoides oligodontos1 Cifelli 1990 mammal
OMNH 20381
 Multituberculata -
Paracimexomys cf. robisoni2 Eaton and Nelson 1991 multituberculate
Bryceomys sp.2 Eaton 1995 multituberculate
Bryceomys fumosus2 Eaton 1995 multituberculate
also in MNA 1003 collection
Bryceomys hadrosus2 Eaton 1995 multituberculate
also in MNA 1003 collection