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

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