Gryde locality (Cretaceous of Canada)

Also known as SMNH Locality 72F08-0012

Where: Saskatchewan, Canada (49.3° N, 108.4° W: paleocoordinates 56.3° N, 80.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Frenchman Formation, Lancian (70.6 - 66.0 Ma)

• from a 35 cm thick bed

• bed-level stratigraphic resolution

Environment/lithology: "floodplain"; gray siltstone

• "floodplain deposits"
• "Siltstone, brown, popcorn weathering surface, stands more vertically than layer beneath"; fossils "within the top 50 cm of a 2 m thick dark gray siltstone"

Size classes: macrofossils, mesofossils

Collected by J. Storer, T. Tokaryk in 1984

Collection methods: bulk, surface (float), sieve,

Primary reference: T. T. Tokaryk and P. C. James. 1989. Cimoiopteryx sp. (Aves, Charadriiformes) from the Frenchman Formation (Maastrichtian), Saskatchewan. Canadian Journal of Earth Sciences 26:2729-2730 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 14558: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Roger Benson and Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Scincomorpha "n. gen. A"2
SMNH P1927.880 (right dentary), "family indet."
Scincomorpha "n. gen. B"2
SMNH P1927.886, P2004.90 (partial dentaries)
Osteichthyes
 Temnospondyli - Albanerpetontidae
Albanerpetontidae indet.3 Fox and Naylor 1982 tetrapod
RSMNH P1927.945, .958, .959, 1016
Aves
 Charadriiformes - Cimolopterygidae
Cimolopteryx sp. Marsh 1889 shorebird
SMNH P1927.936
Reptilia
 Neornithischia - Ceratopsidae
? Triceratops sp. Marsh 1889 ceratopsid
"probably Triceratops"
 Squamata - Chamopsiidae
Chamopsiidae indet.4 Denton and O'Neill 1995 lizard
SMNH P1927.880 (right dentary), "family indet."
Haptosphenus placodon2 Estes 1964 lizard
Left mandible (SMNH P1920.23)
Tripennaculus "n. Sp."4 Nydam and Voci 2007 lizard
SMNH P1927.916, .885, .998, .980 (partial dentaries)
Tripennaculus "n. sp."4 Nydam and Voci 2007 lizard
SMNH P1927.886, P2004.90 (partial dentaries)
Leptochamops denticulatus2 Gilmore 1928 lizard
Four partial maxillae (SMNH P1927.231, .871, .908, .89) and three partial dentaries (SMNH P1927.872, .893, .129)
Chamops segnis2 Marsh 1892 lizard
Ten partial maxillae (SMNH P1927.824-825, .831, .876, .882, .899, .966) and six partial dentaries (SMNH P1927.827, .874, .883, .890, .920, .991)
Meniscognathus altmani2 Estes 1964 lizard
Five partial maxillae (SMNH P1927.900, .918, .960, .999, 2004.91); four partial dentaries (SMNH 1927.887, .895, .903, .915)
Mammalia
 Cimolesta - Cimolestidae
Batodon tenuis5 Marsh 1892 eutherian
Cimolestes incisus5 Marsh 1889 eutherian
 Leptictida - Gypsonictopidae
Gypsonictops illuminatus5 Lillegraven 1969 eutherian
 Creodonta -
"Cimolestes magnus" = Altacreodus magnus5
"Cimolestes magnus" = Altacreodus magnus5 Clemens and Russell 1965 creodont
 Tribosphenida - Zhelestidae
Alostera saskatchewanensis1 Fox 1989 eutherian
SMNH P1927.454
 Theriiformes - Peradectidae
Pediomys elegans5, ""Pediomys" cf. hatcheri" = Aletridelphys hatcheri5, ""Pediomys" krejcii" = Leptalestes krejcii5
Pediomys elegans5 Marsh 1889 metatherian
""Pediomys" cf. hatcheri" = Aletridelphys hatcheri5 Osborn 1898 metatherian
""Pediomys" krejcii" = Leptalestes krejcii5 Clemens 1966 metatherian
 Theriiformes - Herpetotheriidae
"Alphadon jasoni n. sp." = Nortedelphys jasoni5
"Alphadon jasoni n. sp." = Nortedelphys jasoni5 Storer 1991 marsupial
 Didelphimorphia - Alphadontidae
Turgidodon petiminis n. sp.5 Storer 1991 marsupial
 Didelphimorphia - Stagodontidae
Didelphodon vorax5 Marsh 1889 marsupial
 Multituberculata -
Paracimexomys priscus5 Lillegraven 1969 multituberculate
 Multituberculata - Cimolomyidae
? Meniscoessus robustus5 Marsh 1889 multituberculate
Cimolomys gracilis5 Marsh 1889 multituberculate
 Multituberculata - Neoplagiaulacidae
Parectypodus foxi n. sp.5 Storer 1991 multituberculate
Mesodma hensleighi5 Lillegraven 1969 multituberculate
Mesodma cf. thompsoni5 Clemens 1964 multituberculate
Mesodma formosa5 Marsh 1889 multituberculate
 Multituberculata - Cimolodontidae
Cimolodon nitidus5 Marsh 1889 multituberculate