Purgatory Hill (Paleocene of the United States)

Also known as UCMP V-71202

Where: McCone County, Montana (47.8° N, 106.1° W: paleocoordinates 54.0° N, 80.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Pu3 mammal zone, Collins Ranch Member (Tullock Formation), Puercan (66.0 - 63.3 Ma)

• just above the undated Y-Coal in chron 29n: Swisher et al. 1993; Y-Coal per se was not dated, and dated W-Coal is not identifiable in McCone County

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Reposited in the UCMP

Primary reference: L. M. Van Valen and R. E. Sloan. 1965. The earliest primates. Science 150(3697):743-745 [J. Alroy/J. Alroy/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 14766: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Patricia Holroyd and Deborah Weinstein

Creative Commons license: CC BY (attribution)

Taxonomic list

• "about 5 other insectivorans" mentioned by Van Valen 1978 may include the following: mixodectid, said to be new - this is Protungulatum: Szalay 1969a insectivore, said to be new palaeoryctid, said to be new
unclassified
  -
Bivalvia
 Ostreida - Gryphaeidae
"? Pycnodonta indet." = Pycnodonte
"? Pycnodonta indet." = Pycnodonte Fischer von Waldheim 1835 oyster
Chondrichthyes
 Myliobatiformes - Dasyatidae
Dasyatidae indet. Jordan 1888 whiptail stingray
 Odontaspidida - Isuridae
Isuridae indet. Gray 1851 mackerel shark
 Rajiformes - Sclerorhynchidae
Mammalia
 Multituberculata - Eucosmodontidae
Eucosmodontidae indet.1 Jepsen 1940 multituberculate
said to be new
 Multituberculata - Ptilodontidae
Ptilodus tsosiensis7 Sloan 1981 multituberculate
could include Kimbetohia sp.
Kimbetohia sp. Simpson 1936 multituberculate
said to be new
 Multituberculata - Neoplagiaulacidae
Neoplagiaulax nelsoni n. sp.9 Sloan 1987 multituberculate
said to be new
Parectypodus sp. Jepsen 1930 multituberculate
said to be new
Mesodma cf. ambigua Jepsen 1940 multituberculate
Mesodma formosa Marsh 1889 multituberculate
 Multituberculata - Taeniolabididae
Taeniolabis sp.8 Cope 1882 multituberculate
 Multituberculata -
Cimexomys minor Sloan and Van Valen 1965 multituberculate
 Cimolesta - Pentacodontidae
cf. Aphronorus sp.10 Simpson 1935 eutherian
 Cimolesta - Cimolestidae
Procerberus plutonis10 Van Valen 1978 eutherian
said to be new
cf. Gelastops sp. Simpson 1935 eutherian
said to be new; repeated by Van Valen 1978
 Proteutheria - Palaeoryctidae
cf. Pararyctes sp.10 Van Valen 1966 eutherian
 Macroscelidea - Apheliscidae
Haplaletes andakupensis10 Van Valen 1978 elephant shrew
 Primates -
Pandemonium dis n. gen. n. sp.11
Pandemonium dis n. gen. n. sp.11 Van Valen 1994 primate
 Primates - Purgatoriidae
Purgatorius unio n. sp. Van Valen and Sloan 1965 primate
 Soricomorpha - Nyctitheriidae
Leptacodon proserpinae10 Van Valen 1978 placental
 Acreodi - Triisodontidae
Eoconodon nidhoggi10 Van Valen 1978 placental
said to be new
Eoconodon hutchisoni5 Clemens 2011 placental
 Tribosphenida -
"Ungulata indet." = Euungulata7
"Ungulata indet." = Euungulata7 Waddell et al. 2001 placental
 Procreodi - Arctocyonidae
Protungulatum sloani n. sp.10 Van Valen 1978 condylarth
said to be new
Chriacus calenancus10 Van Valen 1978 condylarth
said to be new
Oxyclaenus pugnax Simpson 1935 condylarth
present in original list; includes "Thangorodrim thalion" of Van Valen 1978; may include "O. sp." said to be new
 Tribosphenida - Periptychidae
Tinuviel eurydice10 Van Valen 1978 condylarth
could include new species "cf. Hemithlaeus"
Oxyacodon marshater10 Van Valen 1978 condylarth
Anisonchus oligistus Gazin 1941 condylarth
 Leptictida - Leptictidae
Prodiacodon crustulum10 Novacek 1977 eutherian
Palaeictops sp. Matthew 1899 eutherian
said to be new
 Tribosphenida - Peradectidae
Peradectes minor n. sp.4 Clemens 2006 marsupial
said to be new
Reptilia
 Loricata -
Crocodylia indet.3 crocodilian
 Crocodylia - Alligatoridae
Brachychampsa sp. Gilmore 1911 crocodilian
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
 Testudinata - Baenidae
Baenidae indet. Cope 1882 turtle
 Testudinata -
Compsemys victa Leidy 1856 turtle
 Testudines - Trionychidae
Trionychidae indet.2 Gray 1825 softshell turtle
Amphibia
 Caudata - Urodela
Scapherpeton tectum Cope 1876 salamander
Lisserpeton bairdi Estes 1965 salamander
 Proteida - Batrachosauroididae
Prodesmodon copei Estes 1964 salamander
Opisthotriton kayi Auffenberg 1961 salamander
Actinopteri
 Teleostei -
Perciformes indet. Bleeker 1859 perch-like fish
 Elopiformes - Phyllodontidae
Phyllodus paulkatoi6 Estes and Hiatt 1978
 Amiiformes - Amiidae
"Kindleia fragosa" = Cyclurus fragosus
"Kindleia fragosa" = Cyclurus fragosus Jordan 1927 bowfin
 Lepisosteiformes - Lepisosteidae
Osteichthyes
 Acipenseriformes - Acipenseridae
Acipenser sp. Linnaeus 1758 sturgeon