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

• small collection-level geographic resolution

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

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by R. Holtzman in 1977

Collection methods: surface (in situ),

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, Matthew Carrano and Philip Mannion

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 1838 sand tiger shark
Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteus sp. Agassiz 1843 gar
Aves
 Charadriiformes - Graculavidae
Graculavidae indet.2 F├╝rbringer 1888 shorebird
SMM P.77.8.210
Reptilia
 Choristodera - Simoedosauridae
Simoedosauridae indet.3 Lemone 1884 choristodere
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
Mammalia
 Multituberculata - Ptilodontidae
Ptilodus montanus Douglass 1908 multituberculate
 Multituberculata - Neoplagiaulacidae
Neoplagiaulax sp. Lemoine 1882 multituberculate
forms 1 and 2
Neoplagiaulax hunteri Simpson 1936 multituberculate
Mesodma pygmaea8 Sloan 1987 multituberculate
Ectypodus sp. Matthew and Granger 1921 multituberculate
Parectypodus sp. Jepsen 1930 multituberculate
 Insectivora -
Insectivora indet. Bowdich 1821 insectivoran
form "1"
 Primates - Plesiadapidae
Nannodectes sp. Gingerich 1975 primate
Plesiadapis rex Gidley 1923 primate
 Primates - Picrodontidae
Picrodontidae indet. Simpson 1937 primate
 Primates - Carpolestidae
Carpodaptes cf. hazelae4 Simpson 1936 primate
 Primates - Paromomyidae
Ignacius frugivorus Matthew and Granger 1921 primate
 Ferae - Viverravidae
Protictis paralus Holtzman 1978 placental
 Carnivora - Miacidae
Miacidae indet. Cope 1880 carnivoran
 Procreodi - Arctocyonidae
Thryptacodon australis Simpson 1935 condylarth
 Tribosphenida - Phenacodontidae
Ectocion collinus1 Russell 1929 condylarth
 Soricomorpha - Nyctitheriidae
Leptacodon tener Matthew and Granger 1921 placental
 Tribosphenida - Pantolestoidae
Propalaeosinopa albertensis Simpson 1927 placental
 Macroscelidea - Apheliscidae
Dorraletes diminutivus1 Dorr 1952 elephant shrew
Aletodon quadravus5 Gingerich 1983 elephant shrew
"condylarth" form "1"
 Macroscelidea -
Litocherus zygeus5 Gingerich 1983 elephant shrew
 Cimolesta - Apatemyidae
Unuchinia dysmathes Holtzman 1978 eutherian
 Cimolesta - Pentacodontidae
Bisonalveus holtzmani5 Gingerich 1983 eutherian
 Cimolesta - Cimolestidae
Paleotomus cf. senior7 Simpson 1937 eutherian
 Cimolesta - Titanoideidae
Titanoides ? primaevus Gidley 1917 pantodont
 Proteutheria - Palaeoryctidae
Palaeoryctes cf. punctatus Van Valen 1966 eutherian
Pararyctes pattersoni Van Valen 1966 eutherian
 Tribosphenida - Peradectidae
Peradectes elegans Matthew and Granger 1921 marsupial
Amphibia
 Caudata - Urodela
Piceoerpeton willwoodense6 Meszoely 1967 salamander
trunk vertebrae SMM P77.8.282
 Proteida - Batrachosauroididae
Opisthotriton sp. Auffenberg 1961 salamander
Osteichthyes
 Acipenseriformes - Acipenseridae
Acipenser sp. Linnaeus 1758 sturgeon