NEW MEXICO
SAN JUAN BASIN
DEAD FEATHER
76168
KIRTLAND FORMATION
KIRTLANDIAN AGE
CAMPANIAN STAGE
UPPERMOST SENONIAN SUBEPOCH
UPPER GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: MAMMALIA LINNAEUS, 1758
SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997
INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997
ORDER: MULTITUBERCULATA COPE, 1884
SUBORDER: CIMOLODONTA McKENNA, 1975
Superfamily: TAENIOLABIDOIDEA Granger & Simpson, 1929 (sensu McKenna & Bell, 1997)
Family: TAENIOLABIDIDAE Granger & Simpson, 1929
Meniscoessus intermedius
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NEW MEXICO
SAN JUAN BASIN
AH-SH-SLE-PAH WASH
LOWER KIRTLAND FORMATION
KIRTLANDIAN AGE
UPPER CAMPANIAN STAGE
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: 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
PARVORDER: HADROSAURIFORMES SERENO, 1997
SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)
Family: HADROSAURIDAE COPE, 1869
Incertae sedis
Gen. sp indet.
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NEW MEXICO
SAN JUAN BASIN
AH-SH-SLE-PAH WASH
LOWER KIRTLAND FORMATION
KIRTLANDIAN AGE
UPPER CAMPANIAN STAGE
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: 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
PARVORDER: HADROSAURIFORMES SERENO, 1997
SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)
Family: HADROSAURIDAE COPE, 1869
Incertae sedis
Gen. sp indet.
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NEW MEXICO
SAN JUAN BASIN
UPPER KIRTLANDIAN?
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: CHELONOMORPHA KUHN, 1960
SUPERCOHORT: TESTUDINES LINNAEUS, 1758
COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988
MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988
SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987
GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988
MICRORDER: BAENOIDEA WILLIAMS, 1960
Family: NEURANKYLIDAE Lambe, 1902
Neurankylus eximius
= Neurankylus baueri
Examplar 3
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NEW MEXICO
SAN JUAN BASIN
“BARREL SPRING”
KIRTLAND FORMATION
KIRTLANDIAN AGE
UPPER CAMPANIAN STAGE
UPPERMOST SENONIAN SUBEPOCH
GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: CHELONOMORPHA KUHN, 1960
SUPERCOHORT: TESTUDINES LINNAEUS, 1758
COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988
MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988
SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987
GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988
MICRORDER: BAENOIDEA WILLIAMS, 1960
Family: BAENIDAE Cope, 1882
Subfamily: BAENINAE Cope, 1882 (sensu Williams, 1950)
Denazinemys nodosa
= Baena nodosa
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NEW MEXICO
SAN JUAN BASIN
NORTH FLANK OF BETONNIE TSOSIE WASH
LOWER KIRTLAND FORMATION
KIRTLANDIAN AGE
UPPER CAMPANIAN STAGE
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: 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
PARVORDER: HADROSAURIFORMES SERENO, 1997
SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)
Family: HADROSAURIDAE COPE, 1869
Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)
Tribe: KRITOSAURINI nova
Kritosaurus navajovius
= Hadrosaurus navajovius
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NEW MEXICO
SAN JUAN BASIN
NAASHOIBITO MEMBER
KIRTLAND FORMATION
KIRTLANDIAN AGE
LATE CAMPANIAN STAGE
UPPERMOST SENONIAN SUBEPOCH
GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: MAMMALIA LINNAEUS, 1758
SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997
INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997
ORDER: MULTITUBERCULATA COPE, 1884
Incertae sedis
Gen. sp indet.
SUBORDER: CIMOLODONTA McKENNA, 1975
Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)
Family: PTILODONTIDAE Cope, 1887 (sensu McKenna & Bell, 1997)
Subfamily: NEOPLAGIAULACINAE Ameghino, 1890 (sensu McKenna & Bell, 1997)
Mesodma nova
Family: CIMOLODONTIDAE Marsh, 1889
Essonodon sp
Genus nova
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NEW MEXICO
SAN JUAN BASIN
30 M S OF SAN JUAN RIVER AND 5/ 12 M E OF THE RESERVATION LINE
KIRTLAND FORMATION
KIRTLANDIAN AGE
LAE CAMPANIAN STAGE
UPPERMOST SENONIAN SUBEPOCH
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
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: CROCODYLOMORPHA WALKER, 1968
GRANDORDER: CROCODILIFORMES HAY, 1930
MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983
ORDER: EUSUCHIA emend HUXLEY, 1875
INFRAORDER: CROCODYLIA emend GMELIN, 1877
PARVORDER: BREVIROSTRES
Superfamily: ALLIGATORIDEA Buffetaut, 1985
GLOBIDONTA BROUCHU, 1999
Family: ALLIGATORIDAE Gray, 1844
Subfamily: ALLIGATORINAE Gray, 1844 (sensu Kalin, 1940)
Tribe: ALLIGATORINI nova
Brachychampsa sp
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NEW MEXICO
SAN JUAN BASIN
KIRTLAND FORMATION
LATE CAMPANIAN STAGE
UPPERMOST SENONIAN SUBEPOCH
GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: MAMMALIA LINNAEUS, 1758
SUBCLASS: PROTOTHERIA GILL, 1872
INFRACLASS: TRECHNOTHERIA McKENNA, 1975
LEGION: CLADOTHERIA McKENNA, 1975
SUBLEGION: ZATHERIA MCKENNA, 1975
INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997
SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997
COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997
MAGNORDER: AMERIDELPHIA (SZALAY, in ARCHER, ED, 1982) McKENNA & BELL, 1997
ORDER: DIDELPHIMORPHIA GILL, 1872
Family: DIDELPHIDAE Gray 1821
Subfamily: ALPHADONTIDAE Marshall, Case & Woodburne, 1990
Alphadon marshi
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NEW MEXICO
SAN JUAN BASIN
LOCALITY 80
30 MILES SOUTH OF FARMINGTON AND 4 MILES EAST OF RESERVATION LINE
LOWER KIRTLAND FORMATION
KIRTLANDIAN AGE
UPPER CAMPANIAN STAGE
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
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: CROCODYLOMORPHA WALKER, 1968
GRANDORDER: CROCODILIFORMES HAY, 1930
Incertae sedis
Gen. sp indet.
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NEW MEXICO
SAN JUAN BASIN
30 M S OF FARMINGTON AND 4 M E OF RESERVATION LINE
LOWER PART OF KIRTLAND SHALE
KIRTLANDIAN AGE
CAMPANIAN STAGE
UPPERMOST SENONIAN SUBEPOCH
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
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: CROCODYLOMORPHA WALKER, 1968
GRANDORDER: CROCODILIFORMES HAY, 1930
MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983
ORDER: EUSUCHIA emend HUXLEY, 1875
INFRAORDER: CROCODYLIA emend GMELIN, 1877
Incerate sedis
Gen. sp. indet.
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NEW MEXICO
SAN JUAN BASIN
FOSSIL FOREST
QUARRY 1
LOWER KIRTLAND FORMATION
KIRTLANDIAN AGE
MAASTRICHTIAN STAGE
UPPERMOST SENONIAN SUBEPOCH
GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: MAMMALIA LINNAEUS, 1758
SUBCLASS: PROTOTHERIA GILL, 1872
INFRACLASS: TRECHNOTHERIA McKENNA, 1975
LEGION: CLADOTHERIA McKENNA, 1975
SUBLEGION: ZATHERIA MCKENNA, 1975
INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997
SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997
Incertae sedis
Gen. sp indet.
COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997
ORDER: STAGODONTIA ARCHER, 1984
Family: STAGODONTIDAE Marsh, 1889
Eodelphis sp
Family: PEDIOMYIDAE Simpson, 1927
*Aquiladelphis paraminor
ORDER: DIDELPHIMORPHIA GILL, 1872
Family: DIDELPHIDAE Gray 1821
Turgidodon parapraesagus
= Alaphadon parapraesagusSubfamily: ALPHADONTIDAE Marshall, Case & Woodburne, 1990
Alphadon halleyi
Subfamily: ECTOCENTROCRISTINAE Rigby & Wolberg, 1987
Ectocentrocristus foxi
COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997
MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997
SUPERORDER: LEPTICTIDAE McKENNA, 1975
Incertae sedis
Paranyctoides sternbergi
SUPERORDER: PREPTOTHERIA McKENNA, 1975
GRANDORDER: FERAE LINNAEUS, 1758
ORDER: CIMOLESTA McKENNA, 1975
SUBORDER: DIDELPHODONTA McKENNA, 1975
Family: CIMOLESTIDAE Marsh, 1889
*Cimolestes lucasi
SUPERORDER: PREPTOTHERIA McKENNA, 1975
GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996
Family: GYPSONICTIPIDAE Van Valen, 1967
Gypsonictops lewisi
*Gypsonictops clemensi
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NEW MEXICO
SAN JUAN COUNTY
FOSSIL FOREST LOCALITY
LOWER KIRTLAND FORMATION
KIRTLANDIAN AGE
UPPER CAMPANIAN STAGE
SENONIAN SUBEPOCH
UPPER GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?
SUPERORDER: BATRACHIA BRONGNIART, 1800
ORDER: CAUDATA SCOPOLI, 1777
Incertae sedis
Gen. sp indet.
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: CROCODYLOMORPHA WALKER, 1968
GRANDORDER: CROCODILIFORMES HAY, 1930
MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983
ORDER: MESOSUCHIA EMEND HUXLEY, 1875
PARVORDER: METASUCHIA BENTON & CLARK, 1988
INFRAORDER: METAMESOSUCHIA HULKE, 1878
NEOSUCHIA CLARK, IN BENTON & CLARK, 1988
Family: GONIOPHOLIDIDAE Cope, 1875
Incertae sedis
Goniopholis sp
ORDER: EUSUCHIA emend HUXLEY, 1875
INFRAORDER: CROCODYLIA emend GMELIN, 1877
PARVORDER: BREVIROSTRES
Superfamily: CROCODILOIDEA Cuvier, 1807 (sensu Fitzinger, 1826)
Family: CROCODYLIDAE Cuvier, 1807
Subfamily: CROCODYLIDINAE Cuvier, 1807
Incertae sedis
Crocodylus sp
Superfamily: ALLIGATORIDEA Buffetaut, 1985
GLOBIDONTA BROUCHU, 1999
Family: ALLIGATORIDAE Gray, 1844
Brachychampsa montana
Brachychampsa sp
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NEW MEXICO
SAN JUAN BASIN
UNM LOCALITY 77-421
LOWER SHALE MEMBER
KIRTLAND FORMATION
KIRTLANDIAN AGE
UPPER CAMPANIAN STAGE
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
SUBORDER: ORNITHOMIMOSAURIA BARSBOLD, 1976
Family: ORNITHOMIMIDAE Marsh, 1890
cf. Struthiomimus
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NEW MEXICO
SAN JUAN BASIN
UNM LOCALITY 77-784
LOWER SHALE MEMBER
KIRTLAND FORMATION
KIRTLANDIAN AGE
UPPER CAMPANIAN STAGE
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
SUBORDER: ORNITHOMIMOSAURIA BARSBOLD, 1976
Family: ORNITHOMIMIDAE Marsh, 1890
cf. Struthiomimus
_____________________________________________________________________________________
NEW MEXICO
SAN JUAN BASIN
‘5 M W OF BRIMHALLS’ STORE’
LOWER SHALE MEMBER
KIRTLAND FORMATION
KIRTLANDIAN AGE
UPPER CAMPANIAN STAGE
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: ORNITHISCHIFORMES COOPER, 1985
MAGNORDER: ORNITHISCHIA SEELEY, 1888
SUPERORDER: NEORNITHISCHIA COOPER, 1985
GRANDORDER: ORNITHOPODA MARSH, 1871
MICRORDER: MARGINOCEPHALIA SERENO, 1986
ORDER: CERATOPIA MARSH, 1890
SUBORDER: NEOCERATOPIA SERENO, 1986
INFRAORDER: CORONOSAURIA SERENO, 1986
PARVORDER: CERATOPOMORPHA Wolfe & KIRTLAND, 1998 (emend)
Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)
Family: CERATOPIDAE Marsh, 1888
Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)
Tribe: CHASMOSAURINI Lambe, 1915
Chasmosaurus sp
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