Bainbridge River Bonebed: Middle Cenomanian, Canada
collected by RSM-CMN 1994

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines
Testudines indet. Batsch 1788
Reptilia - Squamata
Squamata indet. Oppel 1811
Cumbaa et al. 2006
Reptilia
? Coniasaurus crassidens Owen 1850
Cumbaa et al. 2006
Reptilia - Hesperornithiformes
Hesperornithiformes indet. Fürbringer 1888
Reptilia
Ichthyornis sp. Marsh 1872
Cumbaa et al. 2006
Reptilia - Plesiosauria - Pliosauridae
Pliosauridae indet. Seeley 1874
Cumbaa et al. 2006
Reptilia - Plesiosauria - Elasmosauridae
Plesiosauria indet. de Blainville 1835
    = Elasmosauridae indet. Cope 1869
Cumbaa et al. 2006
Actinopteri - Amiiformes - Caturidae
Osteichthyes indet. Huxley 1880
    = Caturidae indet. Owen 1860
Cumbaa et al. 2006
Actinopteri - Pycnodontiformes - Gyrodontidae
"Gyrodus" cretaceus Agassiz 1839
Cumbaa et al. 2006
Actinopteri - Pycnodontiformes - Mesturidae
Micropycnodon sp. Hibbard and Graffham 1945
Cumbaa et al. 2006
Actinopteri - Pycnodontiformes - Pycnodontidae
Pycnodontidae indet. (Agassiz 1833)
Cumbaa et al. 2006
Actinopteri - Aspidorhynchiformes - Aspidorhynchidae
Belonostomus sp. Agassiz 1834
Cumbaa et al. 2006
Actinopteri - Pachycormiformes - Pachycormidae
Protosphyraena sp. Leidy 1857
Cumbaa et al. 2006
Actinopteri - Crossognathiformes - Pachyrhizodontidae
Pachyrhizodus minimus Stewart 1899
Cumbaa et al. 2006
Elopopsis sp.
Cumbaa et al. 2006
Actinopteri - Salmoniformes
Salmoniformes indet. Bleeker 1859
Cumbaa et al. 2006
Actinopteri - Acanthomorpha
Acanthomorpha indet. Rosen 1973
Cumbaa et al. 2006
spelled with current rank as Acanthomorphata
Actinopteri - Aulopiformes - Enchodontidae
Enchodus sp. Agassiz 1835
Cumbaa et al. 2006
Enchodus cf. shumardi Leidy 1856
Cumbaa et al. 2006
Enchodus cf. gladiolus Cope 1872
Cumbaa et al. 2006
Actinopteri - Ichthyodectiformes - Ichthyodectidae
Ichthyodectes cf. ctenodon Cope 1870
Cumbaa et al. 2006
Xiphactinus audax (Leidy 1870)
Cumbaa et al. 2006
Actinopteri - Tselfatiiformes - Plethodidae
Plethodidae indet. Loomis 1900
Cumbaa et al. 2006
Chondrichthyes - Chimaeriformes
Chondrichthyes indet. Huxley 1880
    = Chimaeroidea indet.
Cumbaa et al. 2006
Chondrichthyes - Chimaeriformes - Edaphodontidae
Edaphodon sp. Buckland 1838
Underwood and Cumbaa 2010
Chondrichthyes - Rajiformes - Rhinobatidae
"Rhinobatos" cf. incertus Cappetta 1973
Underwood and Cumbaa 2010
Chondrichthyes - Rajiformes - Sclerorhynchidae
Sclerorhynchidae indet. Capetta 1974
Cumbaa et al. 2006
Chondrichthyes - Orectolobiformes - Orectolobidae
Orectoloboides angulatus n. sp. Underwood and Cumbaa 2010
Underwood and Cumbaa 2010
Cretorectolobus robustus n. sp. Underwood and Cumbaa 2010
Underwood and Cumbaa 2010
Chondrichthyes - Lamniformes - Odontaspididae
Carcharias tenuiplicatus (Cappetta and Case 1975)
Cumbaa et al. 2006
    = Eostriatolamia paucicorrugata n. sp. Underwood and Cumbaa 2010
Underwood and Cumbaa 2010
Chondrichthyes - Lamniformes - Anacoracidae
Palaeoanacorax aff. pawpawensis (Siverson et al. 2007)
Underwood and Cumbaa 2010
original and current combination Squalicorax pawpawensis
Squalicorax volgensis (Glickman 1971)
Cumbaa et al. 2006
nomen dubium belonging to Squalicorax
Squalicorax curvatus (Williston 1900)
Cumbaa et al. 2006
Squalicorax falcatus (Agassiz 1843)
Cumbaa et al. 2006
    = Squalicorax curvatus Williston 1900
Underwood and Cumbaa 2010
Chondrichthyes - Lamniformes - Archaeolamnidae
Archaeolamna sp. Siverson 1992
Cumbaa et al. 2006
    = Archaeolamna ex gr. kopingensis Davis 1890
Underwood and Cumbaa 2010
Cretodus semiplicatus (Agassiz 1843)
Cumbaa et al. 2006
    = Archaeolamna ex gr. kopingensis Davis 1890
Underwood and Cumbaa 2010
Telodontaspis agassizensis n. gen., n. sp. Underwood and Cumbaa 2010
Underwood and Cumbaa 2010
Chondrichthyes - Lamniformes - Aquilolamnidae
Cretomanta canadensis Case et al. 1990
Cumbaa et al. 2006
Chondrichthyes - Lamniformes - Carchariidae
Carcharias sp. Rafinesque 1810
Cumbaa et al. 2006
Chondrichthyes - Lamniformes - Haimirichiidae
Dallasiella willistoni Cappetta and Case 1999
Cumbaa et al. 2006
    = Roulletia canadensis n. sp. Underwood and Cumbaa 2010
Underwood and Cumbaa 2010
Carcharias cf. amonensis (Cappetta and Case 1975)
Cumbaa et al. 2006
    = Roulletia canadensis Underwood and Cumbaa 2010
Underwood and Cumbaa 2010
Chondrichthyes - Lamniformes - Cretoxyrhinidae
Cretoxyrhina denticulata (Glickman 1957)
Underwood and Cumbaa 2010
Chondrichthyes - Lamniformes - Otodontidae
Cretalamna sp. (Glikman 1958)
Underwood and Cumbaa 2010
original and current combination Cretolamna
Chondrichthyes - Hybodontiformes - Hybodontidae
Hybodus sp. Agassiz 1834
Cumbaa et al. 2006
    = Meristodonoides rajkovichi Case 2001
Underwood and Cumbaa 2010
Hybodus butleri Thurmond 1971
Cumbaa et al. 2006
recombined as Meristodonoides butleri
Chondrichthyes - Hybodontiformes - Ptychodontidae
Ptychodus sp. Agassiz 1834
Cumbaa et al. 2006
Ptychodus ex gr. decurrens Agassiz 1838
Cumbaa et al. 2006
Ptychodus anonymus Williston 1900
Cumbaa et al. 2006
    = Ptychodus rhombodus n. sp. Underwood and Cumbaa 2010
Underwood and Cumbaa 2010
see common names

Geography
Country:Canada State/province:Saskatchewan
Coordinates: 53.5° North, 102.2° West (view map)
Paleocoordinates:52.0° North, 58.0° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Cenomanian 10 m.y. bin:Cretaceous 5
*Epoch:Gallic
*International age/stage:Cenomanian - Turonian
Key time interval:Middle Cenomanian
Age range of interval:100.50000 - 93.90000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Ashville Member:Belle Fourche
Stratigraphic resolution:bed
Stratigraphy comments: ETE dating method: time_unit, ETE age comment: . radiometric intage_min; about 3 m above base of section
Lithology and environment
Primary lithology:lenticular mudstone
Includes fossils?Y
Lithology description: ETE rock type adj: 0, ETE lithology comments: 0
Environment:coastal indet.
Geology comments: ETE sed env 1: coastal, ETE sed env 2: . ETE event: ., ETE env comment: 0
Taphonomy
Modes of preservation:body
Lagerst�tten type:concentrate
Degree of concentration:-bonebed
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:good
Disassociated major elements:many
Disassociated minor elements:many
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:selective quarrying,surface (in situ),chemical,acetic,field collection
Reason for describing collection:taphonomic analysis
Collectors:RSM-CMN Collection dates:1994
Collection method comments: ETE reference list: 478, 482, 485, 483, 479, 454
Metadata
Also known as:ETE Locality 1610, Pasquia Hills, RSM 63E09-0003
Database number:22731
Authorizer:A. Behrensmeyer, M. Carrano, M. Clapham Enterer:A. Behrensmeyer, M. Carrano, M. Clapham
Modifier:M. Carrano Research group:taphonomy,vertebrate
Created:2001-05-29 01:00:00 Last modified:2008-04-10 13:45:13
Access level:the public Released:2001-05-29 01:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
5932.ETE 1713S. L. Cumbaa. 1997. A Cenomanian age bone bed of marine origin, Saskatchewan, Canada. In: Fifty-seventh annual meeting, Society of Vertebrate Paleontology, Abstracts of papers, Journal of Vertebrate Paleontology 17(3 Suppl.):40A. [A. Behrensmeyer/A. Behrensmeyer/J. Alroy]

Secondary references:

26995ETE S. L. Cumbaa, C. Schröder-Adams, R. G. Day and A. J. Phillips. 2006. Cenomanian bonebed faunas from the northeastern margin, Western Interior Seaway. In S. G. Lucas and R. M. Sullivan (eds.), Late Cretaceous Vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35:139-155 [M. Carrano/M. Carrano]
73622 C. J. Underwood and S. L. Cumbaa. 2010. Chondrichthyans from a Cenomanian (Late Cretaceous) bonebed, Saskatchewan, Canada. Palaeontology 53:903-944 [M. Clapham/M. Clapham]