MONTANA
TOOLE COUNTY
OMNH V1409
DEADHOURSE COULEE MEMBER
EAGLE FORMATION
SANTONIAN STAGE
SENONIAN SUBEPOCH
GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: MAMMALIA LINNAEUS, 1758
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 mckennai
Symmetrodontoides canadensis
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: STAGODONTIA ARCHER, 1984
Family: PEDIOMYIDAE Simpson, 1927
Aquiladelphis incus Aquiladelphis minor
Leptalestes sp
ORDER: DIDELPHIMORPHIA GILL, 1872
Incertae sedis
Iqualadelphis lactea
Family: DIDELPHIDAE Gray 1821
Varalphadon. wahweapensis
Varalphodon spSubfamily: ALPHADONTIDAE Marshall, Case & Woodburne, 1990
Albertatherium primus Albertatherium sp
Alphadon halleyi
INFRACLASS: METATHERIA INDET
Gen. sp indet.
INFRACLASS: EUTHERIA GILL, 1872
Gen. s indet.
Incertae sedis
Paranyctoides sp
SUBCLASS: TRIBOSPHENIDA INDET
Gen. sp indet.
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MONTANA
TOOLE COUNTY
OMNH V1409
DEADHOURSE COULEE MEMBER
EAGLE FORMATION
SANTONIAN STAGE
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
Varalphodon sp
SUBCLASS: TRIBOSPHENIDA INDET
Gen. sp indet.
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