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

Incertae sedis

Cedaromys sp. cf. C. hutchisoni
Cedaromys sp

Gen. sp indet.

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 sp., cf. M. minor

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon foxi
Cimolodon spp
?Cimolodon sp

Superfamily: Incertae sedis

Family: CIMOLOMYIDAE Marsh, 1889

?Cimolomys sp

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: HOLOTHERIA (WIBEL, ROUGIER, NOVACEK, McKENNA & DASHZEVEG, 1995) McKENNA & BELL, 1997
SUPERLEGION: SYMMETRODONTA (SIMPSON, 1925) McKENNA & BELL, 1997

LEGION: SYMMETRODONTA SIMPSON, 1925

ORDER: SPALACOTHERIIDA PROTHERO, 1981

Family: SPALACOTHERIIDAE Marsh, 1887

Subfamily: SPALACOLESTINAE Cifelli & Madsen, 1999

Spalacotheridium sp

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

Incertae sedis

Family: PICOPSIDAE Fox, 1980

Picopsis sp

Family: POTAMOTELSIDAE Nesov, 1987

Potamotelses sp

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

Incertae sedis

?Anchistodelphys sp

Gen. sp indet.

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Gen. sp indet.

MAGNORDER: AMERIDELPHIA (SZALAY, in ARCHER, ED, 1982) McKENNA & BELL, 1997

ORDER: DIDELPHIMORPHIA GILL, 1872

Family: DIDELPHIDAE Gray 1821

Varalphadon sp

Subfamily: ALPHADONTIDAE Marshall, Case & Woodburne, 1990

Alphadon sp. cf. A. halleyi

____________________________________________________________________________________

UTAH

GARFIELD COUNTY

GRAND STAIRCASE-ESCALANTE NATIONAL MONUMENT

MNA LOC. 457-1

JOHN HENRY MEMBER

STRAIGHT CLIFFS FORMATION

EARLY-MIDDLE SANTONIAN STAGE

SENONIAN SUBEPOCH

MIDDLE GULF EPOCH

MIDDLE 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: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon spp

____________________________________________________________________________________

UTAH

GARFIELD COUNTY

GRAND STAIRCASE-ESCALANTE NATIONAL MONUMENT

OMNH LOC. V27

JOHN HENRY MEMBER

STRAIGHT CLIFFS FORMATION

EARLY-MIDDLE SANTONIAN STAGE

SENONIAN SUBEPOCH

MIDDLE GULF EPOCH

MIDDLE 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: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon spp

____________________________________________________________________________________