Saxonella Locality (Paleocene of Canada)

Also known as Blindman River (in part); UA DW-2

Where: Alberta, Canada (52.3° N, 113.8° W: paleocoordinates 58.8° N, 90.8° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• "middle Tiffanian" (Fox 1984) or Ti3 (Fox 1988, Scott 2010)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; gray, green siltstone and poorly lithified, black, brown shale

• "lacustrine"
• "The fossiliferous horizons occur in greenish to grayish siltstones and brown to black fissile shales" (Scott et al. 2006)

Size class: mesofossils

Collected by B. Naylor in 1980

• University of Alberta collection

Primary reference: R. C. Fox. 1984. First North American record of the Paleocene primate Saxonella. Journal of Paleontology 58(3):892-894 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14992: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• list of Fox 1998 is the same as that of Fox 1990a
Osteichthyes
 Temnospondyli - Albanerpetontidae
Albanerpeton "sp. nov."3 Estes and Hoffstetter 1976 tetrapod
 Salientia -
 Proteida - Batrachosauroididae
Opisthotriton sp. Auffenberg 1961 salamander
 Caudata - Urodela
Scapherpeton sp. Cope 1876 salamander
Reptilia
 Testudines - Trionychidae
Trionychidae indet.2 Gray 1825 softshell turtle
 Testudines - Baenidae
Palatobaena sp. Gaffney 1972 turtle
"Palaeobaena sp."
 Loricata -
"Crocodilia indet." = Crocodylia
"Crocodilia indet." = Crocodylia Owen 1842 crocodilian
 Squamata -
Palaeosaniwa sp. Gilmore 1928 lizard
 Squamata - Anguidae
Odaxosaurus sp. Gilmore 1928 lizard
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
Mammalia
 Cimolesta - Cyriacotheriidae
Presbytherium rhodorugatus n. sp.8 Scott 2010 pantodont
C. sp. of Fox 1984
 Cimolesta - Palaeoryctidae
Pararyctes sp.5 Van Valen 1966 eutherian
two forms, both said to be new: P. pattersoni of Fox 1984
 Cimolesta - Pantolestidae
Bessoecetor septentrionalis11 Russell 1929 eutherian
Pantolestidae indet. of Fox 1984
Propalaeosinopa albertensis Simpson 1927 eutherian
 Cimolesta - Pentacodontidae
Bisonalveus sp.5 Gazin 1956 eutherian
said to be new: cf. browni of Fox 1984
 Leptictida - Leptictidae
? Prodiacodon sp.5 Matthew 1929 eutherian
said to be new
 Primates - Microsyopidae
Microsyopidae indet.5 Osborn and Wortman 1892 primate
two forms
 Primates - Plesiadapidae
Pronothodectes gaoi n. sp.6 Fox 1990 primate
includes P. sp. of Fox 1984
 Primates - Saxonellidae
Saxonella naylori n. sp.7 Fox 1991 primate
S. sp. of Fox 1984
 Primates - Picrodontidae
Picrodus lepidus n. sp.10 Scott and Fox 2005 primate
P. silberlingi of Fox 1984
Zanycteris paleocenus5 Matthew 1917 primate
 Primates - Carpolestidae
Carpodaptes hazelae Simpson 1936 primate
Elphidotarsius wightoni n. sp.5 Fox 1984 primate
E. n. sp. of Fox 1984
 Primates - Paromomyidae
Ignacius frugivorus Matthew and Granger 1921 primate
 Primates - Micromomyidae
"Micromomys fremdi n. sp." = Foxomomys fremdi5
"Micromomys fremdi n. sp." = Foxomomys fremdi5 Fox 1984 primate
 Dermoptera -
Elpidophorus elegans Simpson 1927 colugo
 Condylarthra - Hyopsodontidae
? Hyopsodontidae indet.5 Trouessart 1879 condylarth
said to be new
 Lipotyphla - Erinaceidae
Erinaceidae indet.5 Fischer von Waldheim 1817 hedgehog
three forms, all said to be new
Litolestes ignotus Jepsen 1930 hedgehog
 Tribosphenida - Nyctitheriidae
Leptacodon packi5 Jepsen 1930 placental
L. tener of Fox 1984
 Ferae - Viverravidae
Protictis paralus5 Holtzman 1978 placental
P. tenuis of Fox 1984
Raphictis cf. gausion5 Gingerich and Winkler 1985 placental
 Ferae -
Melaniella timosa n. sp.4 Fox 1984 placental
not clear why this is omitted by Fox 1988 and 1990; eutherian of possible palaeanodont affinities
 Macroscelidea -
"Litolestes notissimus" = Litocherus notissimus, "Diacocherus minutus" = Adunator minutus5
"Litolestes notissimus" = Litocherus notissimus Simpson 1936 elephant shrew
"Diacocherus minutus" = Adunator minutus5 Jepsen 1930 elephant shrew
"Diacodon" minutus of Fox 1984
 Tribosphenida - Arctocyonidae
Arctocyon cf. ferox1 Cope 1883 condylarth
Colpoclaenus keeferi5 Patterson and McGrew 1962 condylarth
Chriacus sp.1 Cope 1883 condylarth
Chriacus cf. pelvidens of Fox 1984
 Tribosphenida - Horolodectidae
Horolodectes sunae12 Scott et al. 2006 eutherian
two forms, both said to be new: one said to be new by Fox 1984
Horolodectes sunae12 Scott et al. 2006 eutherian
 Theriiformes - Peradectidae
Peradectes elegans Matthew and Granger 1921 metatherian
 Sarcobora - Mixodectidae
Eudaemonema webbi9 Scott 2010 insectivoran
said to be new
 Sarcobora - Apatemyidae
? Apatemyidae indet.5 Matthew 1909 insectivoran
 Multituberculata - Neoplagiaulacidae
Ectypodus sp.5 Matthew and Granger 1921 multituberculate
two forms, both said to be new: probably Mimetodon silberlingi of Fox 1984
Mesodma pygmaea5 Sloan 1987 multituberculate
Neoplagiaulax sp. Lemoine 1882 multituberculate
three forms, all said to be new by Fox 1988
Neoplagiaulax cf. hunteri Simpson 1936 multituberculate
Neoplagiaulax cf. hazeni Jepsen 1940 multituberculate
 Multituberculata - Ptilodontidae
Prochetodon sp.5 Jepsen 1940 multituberculate
said to be new
Ptilodus sp.5 Cope 1881 multituberculate
said to be new: P. montanus of Fox 1984