CANADA
ALBERTA PROVINCE
LEDUC COUNTY
NEAR CALMAR
N SASKATCHEWAN RIVER VALLEY
HORSESHOE CANYON FORMATION
EDMONTON GROUP
EDMONTONIAN AGE
LOWER MAASTRICHTIAN STAGE
UPPER SENONIAN SUBEPOCH
UPPER GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985
INFRALEGION: DINOSAURIFORMES NOVAS, 1992
SUPERCOHORT: DINOSAURIA OWEN, 1842
COHORT: THEROPODA EMEND MARSH, 1881
AVEPODA PAUL, 2002
SUPERORDER: NEOTHEROPODA BAKKER, 1986
GRANDORDER: TETANURAE GAUTHIER, 1986
MICRORDER: COELUROSAURIA HUENE, 1914
ORDER: MANIRAPTORFORMES HOLTZ, 1996
AVETHEROPODA PAUL, 2002
SUBORDER: COELURIA MARSH, 1881
Superfamily: TYRANNOSAUROIDEA Osborn, 1906 (sensu Bonaparte et. al., 1990)
Family: TYRANNOSAURIDAE Osborn, 1906
Subfamily: ALBERTOSAURINAE Currie, Hurum & Sabath, 2003
Albertosaurus sarcophagus
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CANADA
ALBERTA PROVINCE
LUDUC COUNTY
NORTH BANK OF THE NORTH SASKATCHEWAN RIVER
8 M UP RIVER FROM THE DEVON BRIDGE
HORSESHOE CANYON FORMATION
EDMONTON GROUP
EDMONTONIAN AGE
LOWER MAASTRICHTIAN STAGE
UPPER SENONIAN SUBEPOCH
UPPER GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985
INFRALEGION: DINOSAURIFORMES NOVAS, 1992
SUPERCOHORT: DINOSAURIA OWEN, 1842
COHORT: THEROPODA EMEND MARSH, 1881
AVEPODA PAUL, 2002
SUPERORDER: NEOTHEROPODA BAKKER, 1986
GRANDORDER: TETANURAE GAUTHIER, 1986
MICRORDER: COELUROSAURIA HUENE, 1914
ORDER: MANIRAPTORFORMES HOLTZ, 1996
AVETHEROPODA PAUL, 2002
SUBORDER: COELURIA MARSH, 1881
Superfamily: TYRANNOSAUROIDEA Osborn, 1906 (sensu Bonaparte et. al., 1990)
Family: TYRANNOSAURIDAE Osborn, 1906
Incerate sedis
Gen. sp indet.
COHORT: ORNITHISCHIFORMES COOPER, 1985
MAGNORDER: ORNITHISCHIA SEELEY, 1888
SUPERORDER: NEORNITHISCHIA COOPER, 1985
GRANDORDER: ORNITHOPODA MARSH, 1871
MICRORDER: EUORNITHOPODA SERENO, 1986
ORDER: IGUANODONTIA DOLLO, 1888
SUBORDER: ANKYLOPOLLEXIA SERENO, 1986
INFRAORDER: STYRACOSTERNA SERENO, 1986
SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)
Family: HADROSAURIDAE COPE, 1869
Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)
Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990
Edmontosaurus sp
MICRORDER: MARGINOCEPHALIA SERENO, 1986
ORDER: CERATOPIA MARSH, 1890
SUBORDER: NEOCERATOPIA SERENO, 1986
INFRAORDER: CORONOSAURIA SERENO, 1986
PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)
Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)
Family: CERATOPIDAE Marsh, 1888
Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)
Tribe: CHASMOSAURINI Lambe, 1915
Arrhinoceratops sp
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CANADA
ALBERTA PROVINCE
LEDUC COUNTY
6 MILES ABOVE EDMONTON
NORTH SASKATCHEWAN RIVER
HORSESHOE CANYON FORMATION
EDMONTON GROUP
EDMONTONIAN AGE
LOWER MAASTRICHTIAN STAGE
UPPER SENONIAN SUBEPOCH
UPPER GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: EURYAPSIDA COLBERT, 1945
SUPERORDER: SAUROPTERYGIA OWEN 1860
GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994
ORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
SUBORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
INFRAORDER: PLESIOSAUROMORPHA NOVA
EUPLESIOSAURIA O’KEEFE, 2001
Superfamily: ELASMOSAUROIDEA nova
Family: ELASMOSAURIDAE Cope, 1869
Incertae sedis
Leurospondylus ultimus
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