PBDB Collection

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

Also known as MNA 1003-1

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.

Show authors, comments, and common names

Mammalia
Theriamorpha - Spalacotheriidae	Symmetrodontoides oligodontos¹ Symmetrodontoides oligodontos¹ Cifelli 1990 mammal OMNH 20381
Multituberculata -	Paracimexomys cf. robisoni², Bryceomys sp.², Bryceomys hadrosus², Bryceomys fumosus² Paracimexomys cf. robisoni² Eaton and Nelson 1991 multituberculate Bryceomys sp.² Eaton 1995 multituberculate Bryceomys hadrosus² Eaton 1995 multituberculate also in MNA 1003 collection Bryceomys fumosus² Eaton 1995 multituberculate also in MNA 1003 collection
Tribosphenida -	Theria "indet. A", Theria "indet. B", ? Anchistodelphys delicatus n. sp.¹ 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 ? Anchistodelphys delicatus n. sp.¹ Cifelli 1990 metatherian OMNH 20374-75, 20034
Deltatheroida - Deltatheridiidae	? Deltatheridiidae indet. ? Deltatheridiidae indet. Gregory and Simpson 1926 metatherian OMNH 20386; possibly identified as "Picopsis sp." by Eaton et al. 1999
Marsupialia -	Marsupialia "indet. A"¹, Marsupialia "indet. B"¹ Marsupialia "indet. A"¹ marsupial OMNH 20029, 20373, 20016-17, 20020, 20380 Marsupialia "indet. B"¹ marsupial OMNH 20113
Reptilia
Theropoda - Dromaeosauridae	Dromaeosaurinae indet.⁶, Velociraptorinae indet.⁶ Dromaeosaurinae indet.⁶ Matthew and Brown 1922 maniraptoran OMNH 23712, 25422, 24437, 24438, 25420 Velociraptorinae indet.⁶ Barsbold 1983 maniraptoran OMNH 24439, 24441, 24442
Theropoda -	cf. Paronychodon sp.⁶ cf. Paronychodon sp.⁶ Cope 1876 maniraptoran OMNH 24451, 25415
Theropoda - Tyrannosauridae	Tyrannosauridae indet.⁶, cf. Aublysodon sp.⁶ Tyrannosauridae indet.⁶ Osborn 1906 tyrannosaurid OMNH 24125, 24436 cf. Aublysodon sp.⁶ Leidy 1868 tyrannosaurid OMNH 21518, 21524
Ornithischia - Nodosauridae	Nodosauridae indet.⁶ Nodosauridae indet.⁶ Marsh 1890 ankylosaur OMNH 21711, 24448
Ornithischia - Ankylosauridae	Ankylosauridae indet.⁶ Ankylosauridae indet.⁶ Brown 1908 ankylosaurid OMNH 23681
Ornithischia -	cf. Thescelosaurus sp.⁶ cf. Thescelosaurus sp.⁶ Gilmore 1913 ornithopod OMNH 21512, 24313, 25418
Ornithischia - Hadrosauridae	Hadrosauridae indet.⁶ Hadrosauridae indet.⁶ Cope 1869 hadrosaurid OMNH 21492, 25427, 21506, 21508, 21510, 20862, 23710, 23863, 23863, 23697, 24443–24447
Squamata - Polyglyphanodontidae	Dicothodon cifellii⁵ Dicothodon cifellii⁵ Nydam et al. 2007 squamates OMNH 23586
Amphibia
Proteida - Batrachosauroididae	Batrachosauroididae "Gen. et sp. nov. 2"⁴ Batrachosauroididae "Gen. et sp. nov. 2"⁴ Auffenberg 1958 salamander OMNH 67073 (= Batrachosauroididae indet. sp. B)
Temnospondyli - Albanerpetontidae	Albanerpetontidae indet.³, Albanerpeton cifellii n. sp.³ 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

¹Cifelli 1990; ²Eaton 1995; ³Gardner 1999; ⁴Gardner and DeMar 2013; ⁵Nydam et al. 2007; ⁶Parrish 1999