Brisbane (Paleocene of the United States)

Where: Grant County, North Dakota (46.7° N, 101.8° W: paleocoordinates 51.4° N, 80.1° W)

• coordinate based on political unit

When: Slope Formation, Tiffanian (61.7 - 56.8 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: R. C. Holtzman. 1978. Late Paleocene Mammals of the Tongue River Formation, Western North Dakota. North Dakota Geological Survey Report of Investigations 65:1-88 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14931: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• relative position of Brisbane and Judson unclear but both are close to the base of the fm., i.e., below Riverdale
3.7 to 7.0 m above base of Slope Fm. (NOT Tongue River Fm.): Hartman and Kihm 1991
Gunnell 1994 lists P. sp. "C"; not clear if this replaces P. montanus
Chondrichthyes
 Lamniformes - Odontaspididae
Odontaspis sp. Agassiz 1843 sand tiger shark
Actinopteri
 Acipenseriformes - Acipenseridae
Acipenser sp. Linnaeus 1758 sturgeon
 Lepisosteiformes - Lepisosteidae
Lepisosteus sp. de Lacep├Ęde 1803 gar
Osteichthyes
 Proteida - Batrachosauroididae
Opisthotriton sp. Auffenberg 1961 tetrapod
 Caudata - Urodela
Piceoerpeton willwoodense5 Meszoely 1967 salamander
trunk vertebrae SMM P77.8.282
Reptilia
 Choristodera -
Simoedosaurus sp.2 Gervais 1877 choristodere
Champsosaurus sp. Cope 1876 choristodere
Mammalia
 Cimolesta - Titanoideidae
Titanoides ? primaevus Gidley 1917 pantodont
 Cimolesta - Cimolestidae
Paleotomus cf. senior6 Simpson 1937 eutherian
 Cimolesta - Palaeoryctidae
Pararyctes pattersoni Van Valen 1966 eutherian
Palaeoryctes cf. punctatus Van Valen 1966 eutherian
 Cimolesta - Pantolestidae
Propalaeosinopa albertensis Simpson 1927 eutherian
 Cimolesta - Pentacodontidae
Bisonalveus holtzmani4 Gingerich 1983 eutherian
 Primates - Plesiadapidae
Plesiadapis rex Gidley 1923 primate
Nannodectes sp. Gingerich 1975 primate
 Primates - Picrodontidae
Picrodontidae indet. Simpson 1937 primate
 Primates - Carpolestidae
Carpodaptes cf. hazelae3 Simpson 1936 primate
 Primates - Paromomyidae
Ignacius frugivorus Matthew and Granger 1921 primate
 Tribosphenida - Phenacodontidae
Ectocion collinus1 Russell 1929 condylarth
 Tribosphenida - Nyctitheriidae
Leptacodon tener Matthew and Granger 1921 placental
 Ferae - Viverravidae
Protictis paralus Holtzman 1978 placental
 Carnivora - Miacidae
Miacidae indet. Cope 1880 carnivoran
 Macroscelidea -
Litocherus zygeus4 Gingerich 1983 elephant shrew
 Macroscelidea - Apheliscidae
Aletodon quadravus4 Gingerich 1983 elephant shrew
"condylarth" form "1"
Dorraletes diminutivus1 Dorr 1952 elephant shrew
 Tribosphenida - Arctocyonidae
Thryptacodon australis Simpson 1935 condylarth
 Theriiformes - Peradectidae
Peradectes elegans Matthew and Granger 1921 metatherian
 Insectivora -
Insectivora indet. insectivoran
form "1"
 Sarcobora - Apatemyidae
Unuchinia dysmathes Holtzman 1978 insectivoran
 Multituberculata - Neoplagiaulacidae
Parectypodus sp. Jepsen 1930 multituberculate
Ectypodus sp. Matthew and Granger 1921 multituberculate
Mesodma pygmaea7 Sloan 1987 multituberculate
Neoplagiaulax sp. Lemoine 1882 multituberculate
forms 1 and 2
Neoplagiaulax hunteri Simpson 1936 multituberculate
 Multituberculata - Ptilodontidae
Ptilodus montanus Douglass 1908 multituberculate