PBDB Collection

Birchwood (Paleocene of Canada)

Also known as ETE Locality 1533

Where: Alberta, Canada (53.2° N, 114.7° W: paleocoordinates 59.8° N, 91.5° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Paskapoo Formation, Ti3 (61.7 - 56.8 Ma)

• said to be "middle Tiffanian (Ti3)" by Webb 1998 and Scott (2010)

•"30 cm thick layer"

•ETE dating method: time_unit, ETE age comment: .

• bed-level stratigraphic resolution

Environment/lithology: fluvial; poorly lithified sandstone and poorly lithified sandstone

• "fluvial depositional environment"

•ETE sed env 1: ., ETE sed env 2: . ETE event: ., ETE env comment: 0

• "numerous lenses of poorly consolidated mudclast conglomerate, coarse and fine sandstone, and mudstone" (Scott et al. 2006) or "coarse, poorly consolidated sandstone" (Scott 2010)

•ETE rock type adj: 0, ETE lithology comments: 0

Size classes: macrofossils, mesofossils

Collection methods: bulk, quarrying, sieve

• "over 400 identifiable mammal teeth and jaw fragments have been collected through careful quarrying and limited screenwashing"

•ETE Abrasion: ., ETE Assemblage formation: ., ETE transport: ., ETE weathering/trampling: ., ETE part concentration: ., ETE time represented: . ,ETE vert pres: ., ETE invert pres: ., ETE plant pres: .

Primary reference: C. S. Scott, M. W. Webb, and R. C. Fox. 2006. Horolodectes sunae, an enigmatic mammal from the late Paleocene of Alberta, Canada. Journal of Paleontology 80(5):1009-1025 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 14928: authorized by John Alroy, entered by John Alroy on 18.10.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Reptilia
Loricata -	Crocodylia indet. Crocodylia indet. crocodilian "crocodilian scutes and teeth"
Choristodera - Champsosauridae	Champsosauridae indet. Champsosauridae indet. Cope 1876 champsosaur "champsosaurian centra and ribs"
Squamata -	Lacertilia indet. Lacertilia indet. lizard "one lacertilian maxillary fragment"
Testudines -	Testudines indet. Testudines indet. Batsch 1788 turtle "turtle carapace fragments"
Mammalia
Multituberculata - Ptilodontidae	Prochetodon speirsae³, Ptilodus sp.⁶ Prochetodon speirsae³ Scott 2004 multituberculate Ptilodus sp.⁶ Cope 1881 multituberculate species "T" and "C" according to Scott et al. 2006
Multituberculata - Neoplagiaulacidae	Mimetodon silberlingi, Neoplagiaulax serrator, Neoplagiaulax cf. hazeni, Neoplagiaulax paskapooensis Mimetodon silberlingi Simpson 1935 multituberculate Neoplagiaulax serrator Scott 2005 multituberculate Neoplagiaulax cf. hazeni Jepsen 1940 multituberculate Neoplagiaulax paskapooensis Scott 2005 multituberculate
Multituberculata - Microcosmodontidae	Allocosmodon woodi Allocosmodon woodi Holtzman and Wolberg 1977 multituberculate
Theriamorpha - Horolodectidae	Horolodectes sunae n. sp. Horolodectes sunae n. sp. Scott et al. 2006 eutherian
Cimolesta - Apatemyidae	Unuchinia sp. Unuchinia sp. Simpson 1937 eutherian
Cimolesta - Titanoideidae	Titanoides sp. Titanoides sp. Gidley 1917 pantodont
Cimolesta - Cyriacotheriidae	Presbytherium rhodorugatus⁴ Presbytherium rhodorugatus⁴ Scott 2010 pantodont
Cimolesta - Pentacodontidae	Bisonalveus sp.⁷ Bisonalveus sp.⁷ Gazin 1956 eutherian said to be new
Macroscelidea -	Litocherus zygeus Litocherus zygeus Gingerich 1983 elephant shrew
Acreodi - Mesonychidae	Dissacus sp. Dissacus sp. Cope 1881 condylarth
Theriamorpha - Viverravidae	Raphictis cf. gausion, Protictis paralus Raphictis cf. gausion Gingerich and Winkler 1985 placental Protictis paralus Holtzman 1978 placental
Theriamorpha - Phenacodontidae	Ectocion cf. cedrus Ectocion cf. cedrus Thewissen 1990 condylarth
Procreodi - Arctocyonidae	Arctocyonidae indet., Thryptacodon australis, Chriacus oconostotae, Arctocyon ferox, Arctocyon corrugatus Arctocyonidae indet. Murray 1866 condylarth n. gen. and sp. 1 and 2 Thryptacodon australis Simpson 1935 condylarth Chriacus oconostotae Van Valen 1978 condylarth Arctocyon ferox Cope 1883 condylarth Arctocyon corrugatus Cope 1883 condylarth
Theriamorpha - Nyctitheriidae	Leptacodon tener, "Leptacodon" cf. munusculum Leptacodon tener Matthew and Granger 1921 placental "Leptacodon" cf. munusculum Simpson 1935 placental
Theriamorpha - Pantolestoidae	Bessoecetor septentrionalis Bessoecetor septentrionalis Russell 1929 placental
Theriamorpha - Mixodectidae	Eudaemonema webbi⁵ Eudaemonema webbi⁵ Scott 2010 placental said to be new
Primates - Carpolestidae	Carpodaptes hazelae², Elphidotarsius wightoni Carpodaptes hazelae² Simpson 1936 primate Elphidotarsius wightoni Fox 1984 primate
Primates - Saxonellidae	Saxonella sp.⁷ Saxonella sp.⁷ Russell 1964 primate said to be new
Primates - Plesiadapidae	Pronothodectes gaoi, Plesiadapis rex⁶ Pronothodectes gaoi Fox 1990 primate Plesiadapis rex⁶ Gidley 1923 primate
Primates - Palaechthonidae	Torrejonia sirokyi¹ Torrejonia sirokyi¹ Szalay 1973 primate repeated by Scott et al. 2006 as P. cf. sirokyi
Primates - Paromomyidae	Ignacius frugivorus Ignacius frugivorus Matthew and Granger 1921 primate
Dermoptera -	Elpidophorus elegans Elpidophorus elegans Simpson 1927 colugo
Proteutheria - Palaeoryctidae	Pararyctes pattersoni Pararyctes pattersoni Van Valen 1966 eutherian
Actinopteri
Neopterygii -	Neopterygii indet. Neopterygii indet. "neopterygian scales, teeth, and bones"
Angiospermae
Saxifragales - Cercidiphyllaceae	Cercidiphyllaceae indet. Cercidiphyllaceae indet. Engler 1907 "Joffreya-like cercidiphyllacean angiosperm"

¹Alroy 2002; ²Fox 2002; ³Scott 2004; ⁴Scott 2010; ⁵Scott 2010; ⁶Webb 1995; ⁷Webb 1998