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, edited by Jonathan Marcot

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
Show authors, comments, and common names
Reptilia
 Loricata -
Crocodylia indet.2
Crocodylia indet.2 crocodilian
 Crocodylia - Alligatoridae
cf. Allognathosuchus sp.
cf. Allognathosuchus sp. Mook 1921 crocodilian
 Choristodera -
Champsosaurus sp.
Champsosaurus sp. Cope 1876 choristodere
 Testudines - Kinosternoidea
Hoplochelys sp.
Hoplochelys sp. Hay 1908 mud turtle
 Testudinata -
Compsemys victa
Compsemys victa Leidy 1856 turtle
Mammalia
 Multituberculata - Taeniolabididae
Taeniolabis sp.4
Taeniolabis sp.4 Cope 1882 multituberculate
 Theriamorpha -
Onychodectes cf. tisonensis
Onychodectes cf. tisonensis Cope 1888 taeniodont
 Theriamorpha - Stylinodontidae
Stylinodontidae indet.
 Macroscelidea - Apheliscidae
Haplaletes andakupensis
Haplaletes andakupensis Van Valen 1978 elephant shrew
 Condylarthra - Hyopsodontidae
? Ellipsodon "sp. b"4
? Ellipsodon "sp. b"4 Scott 1892 condylarth
 Condylarthra -
"Desmatoclaenus hermaeus n. gen. n. sp." = Desmatoclaenus hermaeus4, "Desmatoclaenus paracreodus n. sp." = Desmatoclaenus hermaeus4
"Desmatoclaenus hermaeus n. gen. n. sp." = Desmatoclaenus hermaeus4 Gazin 1941 placental
includes "D. paracreodus"; new material from OMNH V800 described by Cifelli et al. 1995
"Desmatoclaenus paracreodus n. sp." = Desmatoclaenus hermaeus4 Gazin 1941 placental
 Acreodi - Triisodontidae
Goniacodon hiawathae
Goniacodon hiawathae Van Valen 1978 placental
 Procreodi - Arctocyonidae
"Loxolophus sp." = Loxolophus, "? Protogonodon sp." = Loxolophus4, Oxyclaenus sp.
"Loxolophus sp." = Loxolophus Cope 1885 condylarth
"? Protogonodon sp." = Loxolophus4 Cope 1885 condylarth
Oxyclaenus sp. Cope 1884 condylarth
 Theriamorpha - Periptychidae
Oxyacodon marshater n. sp., Haploconus elachistus3, Conacodon kohlbergeri1, Ectoconus symbolus n. sp.4, Carsioptychus hamaxitus n. sp.4, Periptychus coarctatus1, Anisonchus oligistus n. sp.4, Anisonchus athelas
Oxyacodon marshater n. sp. Van Valen 1978 condylarth
Haploconus elachistus3 Gazin 1941 condylarth
Conacodon kohlbergeri1 Archibald et al. 1983 condylarth
Ectoconus symbolus n. sp.4 Gazin 1941 condylarth
Carsioptychus hamaxitus n. sp.4 Gazin 1941 condylarth
Periptychus coarctatus1 Cope 1883 condylarth
Anisonchus oligistus n. sp.4 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"
 Theriamorpha - Pantolestoidae
? Propalaeosinopa sp.3
? Propalaeosinopa sp.3 Simpson 1927 placental
 Theriamorpha - Mixodectidae
? Mixodectidae indet.4
? Mixodectidae indet.4 Cope 1883 placental
"Mixodectid ? (b), genus and species undetermined"
Actinopteri
 Lepisosteiformes - Lepisosteidae
cf. Lepisosteus sp.
cf. Lepisosteus sp. Agassiz 1843 gar
1Alroy 2002; 2Alroy 2007; 3Cifelli et al. 1995; 4Gazin 1941