PBDB Collection

Chappo Type Locality (Paleocene of the United States)

Also known as Type Chappo; Chappo Gulch; Chappo-17

Where: Lincoln County, Wyoming (41.8° N, 110.7° W: paleocoordinates 48.0° N, 91.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Chappo Member (Wasatch Formation), Tiffanian (61.7 - 56.8 Ma)

• said to be middle Tiffanian

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: G. F. Gunnell. 1994. Paleocene mammals and faunal analysis of the Chappo Type Locality (Tiffanian), Green River Basin, Wyoming. Journal of Vertebrate Paleontology 14(1):81-104 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14936: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• replaces earlier list of Dorr and Gingerich 1980
stratigraphic position relative to Buckman Hollow and Chappo Oil Well indeterminate, contra Gingerich 1976

Show authors, comments, and common names

Mammalia
Multituberculata - Ptilodontidae	Ptilodus sp., Ptilodus kummae Ptilodus sp. Cope 1881 multituberculate "C" Ptilodus kummae Krause 1977 multituberculate
Multituberculata - Neoplagiaulacidae	Ectypodus cf. powelli, Mesodma sp., Neoplagiaulax cf. hunteri, Neoplagiaulax cf. hazeni Ectypodus cf. powelli Jepsen 1940 multituberculate Mesodma sp. Jepsen 1940 multituberculate Neoplagiaulax cf. hunteri Simpson 1936 multituberculate Neoplagiaulax cf. hazeni Jepsen 1940 multituberculate
Proteutheria - Palaeoryctidae	Palaeoryctes cf. punctatus, Palaeoryctes cruoris n. sp. Palaeoryctes cf. punctatus Van Valen 1966 eutherian Palaeoryctes cruoris n. sp. Gunnell 1994 eutherian
Leptictida - Leptictidae	Prodiacodon cf. concordiarcensis, Prodiacodon cf. furor Prodiacodon cf. concordiarcensis Simpson 1935 eutherian Prodiacodon cf. furor Novacek 1977 eutherian
Macroscelidea - Apheliscidae	Aletodon cf. quadravus, Dorraletes diminutivus Aletodon cf. quadravus Gingerich 1983 elephant shrew described by Gingerich 1983c Dorraletes diminutivus Dorr 1952 elephant shrew described by Gingerich 1983c
Macroscelidea -	"Diacocherus meizon" = Adunator meizon, Litocherus lacunatus "Diacocherus meizon" = Adunator meizon Gingerich 1983 elephant shrew Litocherus lacunatus Gazin 1956 elephant shrew described by Gingerich 1983c
Primates - Plesiadapidae	Chiromyoides minor n. sp., Plesiadapis cf. rex Chiromyoides minor n. sp. Gingerich 1975 primate Plesiadapis cf. rex Gidley 1923 primate
Primates - Carpolestidae	Carpodaptes cf. hazelae Carpodaptes cf. hazelae Simpson 1936 primate
Primates - Picrodontidae	Picrodus sp.² Picrodus sp.² Douglass 1908 primate
Primates - Paromomyidae	Ignacius frugivorus Ignacius frugivorus Matthew and Granger 1921 primate
Tribosphenida - Pantolestoidae	Bessoecetor cf. septentrionalis³ Bessoecetor cf. septentrionalis³ Russell 1929 placental
Tribosphenida - Erinaceidae	Cedrocherus aceratus n. sp. Cedrocherus aceratus n. sp. Gunnell 1994 hedgehog
Soricomorpha - Nyctitheriidae	Leptacodon cf. munusculum¹ Leptacodon cf. munusculum¹ Simpson 1935 placental
Acreodi - Mesonychidae	Dissacus sp. Dissacus sp. Cope 1881 condylarth
Procreodi - Arctocyonidae	Claenodon "sp. small", Claenodon "sp. large", Chriacus oconostotae, Lambertocyon gingerichi n. sp., Thryptacodon australis Claenodon "sp. small" Scott 1892 condylarth Claenodon "sp. large" Scott 1892 condylarth Chriacus oconostotae Van Valen 1978 condylarth Lambertocyon gingerichi n. sp. Gunnell 1994 condylarth Thryptacodon australis Simpson 1935 condylarth
Tribosphenida - Phenacodontidae	Phenacodus grangeri, Ectocion collinus Phenacodus grangeri Simpson 1935 condylarth Ectocion collinus Russell 1929 condylarth
Creodonta - Oxyaenidae	Tytthaena parrisi Tytthaena parrisi Gingerich 1980 creodont described by Gunnell and Gingerich 1991
Ferae - Viverravidae	Raphictis cf. gausion, Protictis paralus, Protictis agastor Raphictis cf. gausion Gingerich and Winkler 1985 placental Protictis paralus Holtzman 1978 placental Protictis agastor Gingerich and Winkler 1985 placental
Cimolesta - Apatemyidae	Unuchinia dysmathes, Labidolemur soricoides Unuchinia dysmathes Holtzman 1978 eutherian Labidolemur soricoides Matthew and Granger 1921 eutherian
Cimolesta - Cimolestidae	Paleotomus sp.¹ Paleotomus sp.¹ Van Valen 1967 eutherian said to be new
Taeniodonta - Stylinodontidae	Stylinodontidae indet. Stylinodontidae indet. taeniodont apparently replaces "cf. Lampadophorus sp." of Dorr and Gingerich 1980
Tribosphenida - Peradectidae	Peradectes elegans Peradectes elegans Matthew and Granger 1921 marsupial

¹Alroy 2002; ²Scott and Fox 2005; ³Scott et al. 2002