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An early Late Cretaceous (Cenomanian) sturgeon (Acipenseriformes) from the Dunvegan Formation, northwestern Alberta, Canada

Vavrek, M J.; Murray, A M.; Bell, P R.; Sues, H-Dieter

Canadian Journal of Earth Sciences 51(7): 677-681

2014

ISSN/ISBN: 0008-4077
DOI: 10.1139/cjes-2014-0052
Accession: 064433865
A recent survey of the middle Cenomanian Dunvegan Formation along the Peace River, Alberta, has yielded a partial skull of a large acipenseriform fish. The fossil was from an animal approximately 5 m in length, based on comparisons with living relatives. Though incomplete, this represents an important record of mid-Cretaceous fish from northern North America, as formations of this age are virtually unexplored in northern regions. This fossil is the oldest acipenserid from North America, and one of the most northerly known.

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Related References

Burns, M.E.; Vavrek, M.J. 2014: Probable ankylosaur ossicles from the middle Cenomanian Dunvegan formation of northwestern Alberta, Canada Plos one 9(5): E96075
Cook, T.D.; Wilson, M.V.H.; Murray, A.M. 2008: A middle Cenomanian euselachian assemblage from the Dunvegan Formation of northwestern Alberta Revue Canadienne des Sciences de la Terre 45.10
Bhattacharya, J.; Walker, R.G. 1991: River dominated and wave dominated depositional systems of the upper cretaceous dunvegan formation northwestern alberta canada Bulletin of Canadian Petroleum Geology 39(2): 165-191
Ufnar David, F.; McCarthy Paul, J.; Ludvigson Greg, A.; White Tim, S.; Gonzalez Luis, A.; Brenner Robert, L. 1999: Sphaerosiderite delta (super 18) O composition; a proxy for paleoprecipitation, Cenomanian Dunvegan Formation, Alberta and B.C., Canada Abstracts with Programs - Geological Society of America 32(7): 279
Bhattacharya, J.; Walker, R.G. 1991: Allostratigraphic subdivision of the upper cretaceous dunvegan shaftesburg and kaskapau formations in the northwestern alberta canada subsurface Bulletin of Canadian Petroleum Geology 39(2): 145-164
Mclearn, F.H. 1945: The Upper Cretaceous, Dunvegan formation of northwestern Alberta and northeastern British Columbia Canada Geol Sun Paper 45(27): 1-5
McCarthy Paul, J.; Plint, A.G.y 1999: Floodplain palaeosols of the Cenomanian Dunvegan Formation, Alberta and British Columbia, Canada; micromorphology, pedogenic processes and palaeoenvironmental implications Geological Society Special Publications 163: 289-310
Hay Michael, J.; Cumbaa Stephen, L.; Murray Alison, M.; Plint, A.G.y 2007: A new paraclupeid fish Clupeomorpha, Ellimmichthyiformes from a muddy marine prodelta environment; middle Cenomanian Dunvegan Formation, Alberta, Canada Canadian Journal of Earth Sciences 44(6): 775-790
Plint, A.G.; Tyagi, A.; Hay, M.J.; Varban, B.L.; Zhang, H.; Roca, X. 2009: Clinoforms, paleobathymetry, and mud dispersal across the Western Canada Cretaceous foreland basin; evidence from the Cenomanian Dunvegan Formation and contiguous strata Journal of Sedimentary Research 79.3
Plint, A.G.; Wadsworth Jennifer, A. 1997: Interacting tectonic and eustatic controls on regional palaeogeography, incised valley systems and sequence geometry; Cenomanian Dunvegan Formation, Alberta Basin, Canada Gaea Heidelbergensis 3: 278-279
Wilson Mark, V.H.; Murray Alison, M. 1996: Early Cenomanian acanthomorph teleost in the Cretaceous Fish Scale Zone, Albian/ Cenomanian boundary, Alberta, Canada Pages 369-382 1996
Plint, A.Guy 2001: The geography, anatomy, and possible origin of four sequence-bounding valley systems in the Upper Cretaceous Dunvegan Formation, Alberta and British Columbia, Canada Open-File Report - University of Nebraska-Lincoln, Conservation and Survey Division: 228
Plint, A.G.; McCarthy Paul, J.; Faccini Ubiratan, F. 2001: Nonmarine sequence stratigraphy; updip expression of sequence boundaries and systems tracts in a high-resolution framework, Cenomanian Dunvegan Formation, Alberta foreland basin, Canada AAPG Bulletin 85(11): 1967-2001
Bhattacharya, J.P. 1993: The expression and interpretation of marine flooding surfaces and erosional surfaces in core; examples from the Upper Cretaceous Dunvegan Formation, Alberta foreland basin, Canada Special Publication of the International Association of Sedimentologists 18: 125-160
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