Wagonroad Lower Horizon (Paleocene of the United States)

Also known as Gazin's Locality 4, in part; The Kitchen; OMNH V800; UALP 76113

Where: Emery County, Utah (39.0° N, 111.0° W: paleocoordinates 46.3° N, 89.5° W)

• coordinate based on political unit

When: Joe's Valley Member (North Horn Formation), Puercan (66.0 - 63.3 Ma)

• close to the bottom of a reversed magnetic polarity zone interpreted as C28r, but there is no tie point in the section: see Lucas et al. 1997

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial

Primary reference: S. F. Robison. 1986. Paleocene (Puercan-Torrejonian) mammalian faunas of the North Horn Formation, central Utah. Brigham Young University Geology Studies 33(1):87-133 [J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14790: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• 129 m below upper contact of Fm.
see Cifelli et al. 1995 for revised stratigraphic nomenclature
this is usually considered Wagonroad sensu stricto
"Ellipsodon ? sp." of Tomida and Butler 1980 is not mentioned anywhere by Robison; I assume it is a misidentification
Actinopteri
 Lepisosteiformes - Lepisosteidae
cf. Lepisosteus sp. de Lacep├Ęde 1803 gar
Reptilia
 Testudines - Compsemydidae
Compsemys victa Leidy 1856 turtle
 Testudines - Kinosternoidea
Hoplochelys sp. Hay 1908 mud turtle
 Loricata -
Crocodylia indet.2 crocodilian
 Crocodylia - Alligatoridae
cf. Allognathosuchus sp. Mook 1921 crocodilian
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
Mammalia
 Cimolesta - Pantolestidae
? Propalaeosinopa sp.3 Simpson 1927 eutherian
 Tribosphenida - Periptychidae
Periptychus coarctatus1 Cope 1883 condylarth
Ectoconus symbolus Gazin 1939 condylarth
Conacodon kohlbergeri1 Archibald et al. 1983 condylarth
Oxyacodon marshater n. sp. Van Valen 1978 condylarth
Haploconus elachistus3 Gazin 1941 condylarth
Anisonchus oligistus Gazin 1941 condylarth
additional material from OMNH V800 described by Cifelli et al. 1995
Anisonchus athelas Van Valen 1978 condylarth
includes type of "A. eowynae"
 Macroscelidea - Apheliscidae
Haplaletes andakupensis Van Valen 1978 elephant shrew
 Taeniodonta -
Onychodectes cf. tisonensis Cope 1888 taeniodont
 Taeniodonta - Stylinodontidae
 Tribosphenida - Arctocyonidae
Loxolophus sp. Cope 1885 condylarth
Desmatoclaenus hermaeus Gazin 1941 condylarth
includes "D. paracreodus"; new material from OMNH V800 described by Cifelli et al. 1995
 Acreodi - Triisodontidae
Goniacodon hiawathae Van Valen 1978 eutherian
 Acreodi -
Oxyclaenus sp. Cope 1884 eutherian
 Multituberculata - Taeniolabididae
Taeniolabis sp. Cope 1882 multituberculate