Genera and species of Paleocene mammals - Part 1 

Class Mammalia

Subclass Monotremata

Order Platypoda

Family Ornithorhynchidae

Monotrematum Pascual, Archer, Ortiz Jaureguizar, Prado, Godthelp & Hand, 1992
M. sudamericanum Pascual, Archer, Ortiz Jaureguizar, Prado, Godthelp & Hand, 1992 * ^12d (type loc. Peligran Punta Peligro, Argentina)

Subclass Theriiformes

Order Dryolestida

Family Peligrotheriidae

Peligrotherium Bonaparte, Van Valen & Kramartz, 1993
P. tropicalis Bonaparte, Van Valen & Kramartz, 1993 * ⁸ⁱ (type loc. Peligran Punta Peligro, Argentina)

Order inc. sed.

Family Chronoperatidae

Chronoperates Fox, Youzwyshyn & Krause, 1992 (position uncertain, Therapsida?)
C. paradoxus Fox, Youzwyshyn & Krause, 1992 (type loc. Tiffanian Cochrane 2, Alberta

Order Multituberculata

Suborder Gondwanatheria (position uncertain)

Family Sudamericidae

Sudamerica Scillato-Yané & Pascual, 1984
S. ameghinoi Scillato-Yané & Pascual, 1984 * ^1d (type loc. Peligran Punta Peligro, Argentina)

Suborder Cimolodonta

Superfamily Ptilodontoidea

Family Ptilodontidae

Ptilodus Cope, 1881
= Chirox Cope, 1884
P. mediaevus Cope, 1881 * ^1b (type loc. Torrejonian San Juan Basin, New Mexico)
= P. plicatus (Cope, 1884) [Chirox plicatus Cope, 1884 *] ^1b (type loc. Torrejonian San Juan Basin, New Mexico)
P. montanus Douglass, 1908 ^1a (type loc. Torrejonian Silberling Quarry, Montana)
= P. gracilis Gidley, 1909 (type loc. Torrejonian Crazy Mountain Basin, Montana)
= P. admirabilis Hay, 1930 (replacement for P. gracilis)
?= P. wyomingensis Jepsen, 1940
P. wyomingensis Jepsen, 1940 ^1c (type loc. Torrejonian Rock Bench Quarry, Wyoming) (questionable synonym of P. montanus Douglass, 1908)
P. ferronensis Gazin, 1941 ^1f (type loc. Torrejonian Dragon, Utah)
P. fractus (Dorr, 1952) [Neoplagiaulax fractus Dorr, 1952] ^1f (type loc. Tiffanian Dell Creek, Wyoming)
P. kummae Krause, 1977 ^1f (type loc. Tiffanian Roche Percée, Saskatchewan)
P. tsosiensis Sloan, 1981 ^1f (type loc. Puercan San Juan Basin, New Mexico)
P. gnomus Scott, Fox & Youzwyshyn, 2002 ^1g (type loc. Tiffanian Cochrane 2, Alberta)

Kimbetohia Simpson, 1936
K. campi Simpson, 1936 * ^1a (type loc. Puercan San Juan Basin, New Mexico)
K.? mziae Middleton & Dewar, 2004 ^1g (type loc. Puercan Alexander Locality, Colorado)

Baiotomeus Krause, 1987
B. douglassi (Simpson, 1935) * [Ptilodus? douglassi Simpson, 1935, Mimetodon douglassi, Neoplagiaulax douglassi] ^1c (type loc. Torrejonian Gidley Quarry, Montana)
B. lamberti Krause, 1987 ^1f (type loc. Torrejonian Medicine Rocks 1, Montana)
B. russelli Scott, Fox & Youzwyshyn, 2002 ^1g (type loc. Tiffanian Cochrane 2, Alberta)
B. rhotonion Scott, 2003 ^1g (type loc. Torrejonian Who Nose? Locality, Alberta)

Prochetodon Jepsen, 1940
P. cavus Jepsen, 1940 * ^1a (type loc. Tiffanian Princeton Quarry, Wyoming)
P. foxi Krause, 1987 ^1f (type loc. Tiffanian Long Draw Quarry, Wyoming)
P. taxus Krause, 1987 ^1f (type loc. Clarkforkian Clark's Fork Basin)
P. speirsae Scott, 2004 ^1g (type loc. Tiffanian Cochrane 2, Alberta)

Family Neoplagiaulacidae

Neoplagiaulax Lemoine, 1882
N. eocaenus (Lemoine, 1880) * [Plagiaulax eocaenus Lemoine, 1880, Neoplagiaulax eocaenus, Lemoine, 1882, Neoplagiaulax eocänus (sic), Weigelt, 1942] ^1b (type loc. Cernaysian Cernay, France)
N. copei Lemoine, 1885 [Neoplagiaulax? copei, Russell, 1964, Neoplagiaulax copei, Vianey-Liaud, 1986] ^1a (type loc. Cernaysian Cernay, France)
N. annae Vianey-Liaud, 1986 ^1f (type loc. Cernaysian Cernay, France)
N. nicolai Vianey-Liaud, 1986 ^1f (type loc. Cernaysian Cernay, France)
N. sylvani Vianey-Liaud, 1986 ^1f (type loc. Cernaysian Cernay, France)
N. grangeri (Simpson, 1935) [Ectypodus? grangeri Simpson, 1935] ^{1c, 1c} (type loc. Torrejonian Gidley Quarry, Montana)
N. hunteri (Simpson, 1936) [Ectypodus hunteri Simpson, 1936] ^1c (type loc. Tiffanian Scarritt Quarry, Montana)
N. hazeni (Jepsen, 1940) [Ectypodus hazeni Jepsen, 1940] ^1c (type loc. Tiffanian Princeton Quarry, Wyoming)
N. macrotomeus (Wilson, 1956) [Ectypodus macrotomeus Wilson, 1956] ^1f (type loc. Torrejonian San Juan Basin, New Mexico)
N. macintyrei Sloan, 1981 ^1d (type loc. Puercan San Juan Basin, New Mexico)
N. kremnus Johnston & Fox, 1984 ^1f (type loc. Puercan Puercan Rav W-1, Saskatchewan)
N. nelsoni Sloan, 1987 ^1d (type loc. Puercan Purgatory Hill, Montana)
N. mckennai Sloan, 1987 ^1d (type loc. Tiffanian Love Quarry, Wyoming)
N. jepi Sloan, 1987 ^1d (type loc. Tiffanian Cedar Point Quarry, Wyoming)
N. serrator Scott, 2005 ^1g (type loc. Tiffanian UADW-2, Alberta)
N. paskapooensis Scott, 2005 ^1g (type loc. Tiffanian UADW-2, Alberta)
N. cimolodontoides Scott, 2005 ^1g (type loc. Tiffanian UADW-2, Alberta)

Ectypodus Matthew & Granger, 1921
= Charlesmooria Kühne, 1969
E. musculus Matthew & Granger, 1921 * ^1a (type loc. Tiffanian Mason Pocket, Colorado)
E. powelli Jepsen, 1940 ^1c (type loc. Tiffanian Princeton Quarry, Wyoming)
E. szalayi Sloan, 1981 ^1d (type loc. Torrejonian Gidley Quarry, Montana)
E. aphronorus Sloan, 1987 ^1d (type loc. Torrejonian Gidley Quarry, Montana) (questionable synonym of Parectypodus sylviae (Rigby, 1980))
E. elaphus Scott, 2005 ^1g (type loc. Tiffanian UADW-2, Alberta)

Parectypodus Jepsen, 1930
Later species: P. simpsoni Jepsen, 1930 * (type loc. Wasatchian Bighorn Basin, Wyoming)
P. trovessartianus (Cope, 1882) [Ptilodus trovessartianus Cope, 1882, Mimetodon trovessartianus, Neoplagiaulax trovessartianus, incorrectly P. trouessarti] ^1b (type loc. Torrejonian San Juan Basin, New Mexico)
P. laytoni (Jepsen, 1940) [Ectypodus laytoni Jepsen, 1940] ^1c (type loc. Tiffanian Princeton Quarry, Wyoming)
P. sloani Schiebout, 1974 [Ectypodus sloani] ^1f (type loc. Tiffanian Joe's Bonebed, Texas)
P. sylviae (Rigby, 1980) [Ectypodus sylviae Rigby, 1980] ^1d (type loc. Torrejonian Swain Quarry, Wyoming)
= P. pattersoni Sloan, 1987 ^1d (type loc. Tiffanian Keefer Hill, Wyoming, synonym fide Secord (1998), considered as valid by Higgins (2003))
?= Ectypodus aphronorus Sloan, 1987
P. armstrongi Johnston & Fox, 1984 ^1f (type loc. Puercan Puercan Rav W-1, Saskatchewan)
P. corystes Scott, 2003 ^1g (type loc. Torrejonian? Diss Locality, Alberta)

Mimetodon Jepsen, 1940
M. churchilli Jepsen, 1940 * ^1a (type loc. Tiffanian Princeton Quarry, Wyoming)
M. silberlingi (Simpson, 1935) [Ectypodus? silberlingi Simpson, 1935, Mesodma silberlingi] ^1c (type loc. Torrejonian Gidley Quarry, Montana)
?= M.? nanophus (Holtzman, 1978)
M. krausei Sloan, 1981 ^1f (type loc. Puercan San Juan Basin, New Mexico)
M.? nanophus (Holtzman, 1978) [Neoplagiaulax nanophus Holtzman, 1978] ^1f (type loc. Tiffanian Judson, North Dakota)

Mesodma Jepsen, 1940
M. ambigua Jepsen, 1940 * ^1a (type loc. Puercan Mantua Lentil, Wyoming)
M. garfieldensis Archibald, 1982 ^1d (type loc. Puercan Hell's Hollow Local Fauna, Montana)
M. pygmaea Sloan, 1987 ^1d (type loc. Torrejonian Gidley Quarry, Montana)
M. formosa (Marsh, 1889) [Halodon formosus Marsh, 1889] ^1d (type loc. Lancian Wyoming)
M. thompsoni Clemens, 1964 ^1d (type loc. Lancian Wyoming)
M. hensleighi Lillegraven, 1969 ^1g (type loc. Lancian KUA-1, Alberta)

Cernaysia Vianey-Liaud, 1986
C. manueli Vianey-Liaud, 1986 * ^1f (type loc. Cernaysian Cernay, France)
C. davidi Vianey-Liaud, 1986 ^1f (type loc. Puercan San Juan Basin, New Mexico)

Krauseia Vianey-Liaud, 1986
K. clemensi (Sloan, 1981) * [Parectypodus clemensi Sloan, 1981] ^1d (type loc. Torrejonian San Juan Basin, New Mexico)

Xanclomys Rigby, 1980 (family uncertain)
X. mcgrewi Rigby, 1980 * ^1d (type loc. Torrejonian Swain Quarry, Wyoming)

Xyronomys Rigby, 1980 (Eucosmodontidae?)
X. swaini Rigby, 1980 * ^1d (type loc. Torrejonian Swain Quarry, Wyoming)
X. robinsoni Middleton & Dewar, 2004 ^1g (type loc. Puercan Alexander Locality, Colorado)

Mesodmops Tong & Wang, 1994
Later species: M. dawsonae Tong & Wang, 1994 * (type loc. Bumbanian Wutu, Shandong Province, China)
M. tenuis Missiaen & Smith, 2008 ^1g (type loc. Gashatan Subeng, China)

Family Cimolodontidae

Cimolodon Marsh, 1889
= Nanomys Marsh, 1889
= Nanomyops Marsh, 1892
Occurrence uncertain: C. nitidus Marsh, 1889 * ^1d (type loc. Lancian Wyoming, Puercan specimens reworked?)
Occurrence uncertain: C.? sp. (Puercan San Juan Basin, New Mexico)

Anconodon Jepsen, 1940
A. gidleyi (Simpson, 1935) * [Ptilodus? gidleyi Simpson, 1935] ^1c (type loc. Torrejonian Gidley Quarry, Montana)
A. cochranensis (Russell, 1929) [Ectypodus cochranensis Russell, 1929] ^1c (type loc. Tiffanian Cochrane 1, Alberta) (validity questionable)
?= Liotomus russelli (Simpson, 1935)
A. lewisi Sloan, 1987 ^1d (type loc. Tiffanian Keefer Hill, Wyoming)

Liotomus Cope, 1884 (included in Neoplagiaulacidae by Vianey-Liaud, 1986, included in Eucosmodontidae, subfamily Eucosmodontinae, tribe Boffini by McKenne & Bell (1997), included in Cimolodontidae by Kielan-Jaworowska & Hurum, 2001)
= Neoctenacodon Lemoine, 1891 ^1b
L. marshi (Lemoine, 1882) * [Plagiaulax marshi, Lemoine, 1882, Neoplagiaulax marshi Lemoine, 1883, Liotomus marshi, Cope, 1884, Russell, 1964, Vianey-Liaud, 1986, Neoctenacodon marshi, Lemoine, 1891 *, Granger & Simpson, 1929] ^1a (type loc. Cernaysian Cernay, France)
L. russelli (Simpson, 1935) [Ectypodus? russelli Simpson, 1935, Anconodon russelli] ^1a (type loc. Torrejonian Gidley Quarry, Montana) (questionable synonym of Anacodon cochranensis (Russell, 1929))
L. vanvaleni (Sloan, 1981) [Parectypodus vanvaleni Sloan, 1981] ^1f (type loc. Puercan San Juan Basin, New Mexico)
L.? sinclairi (Simpson, 1935) [Ptilodus sinclairi Simpson, 1935, Ectypodus? sinclairi, Parectypodus sinclairi] ^1c (type loc. Torrejonian Gidley Quarry, Montana)

Family inc.sed.

Neoliotomus Jepsen, 1930 (superfamily uncertain)
N. conventus Jepsen, 1930 * ^1a (type loc. Clarkforkian Paint Creek Locality, Wyoming)

Superfamily Taeniolabidoidea

Family Taeniolabididae

Taeniolabis Cope, 1882a
= Polymastodon Cope, 1882b
T. taoensis (Cope, 1882b) * [Polymastodon taoensis Cope, 1882b *, incorrectly T. taöensis] ^1a (type loc. Puercan San Juan Basin, New Mexico) (type species of T. by subsequent designation)
= Polymastodon latimolis Cope, 1885 (type loc. Puercan San Juan Basin, New Mexico)
= Polymastodon attenuatus Cope, 1885 ^1b (type loc. Puercan San Juan Basin, New Mexico)
= Polymastodon selenodus Osborn & Earle, 1895 (type loc. Puercan San Juan Basin, New Mexico)
= T. sulcatus Cope, 1882a ^1b (type loc. Puercan San Juan Basin, New Mexico) (nomen dubium, unused senior synonym of T. taoensis, type species of T. by original designation)
= T. scalper Cope, 1884 (objective synonym of T. sulcatus)
= T. triserialis Granger & Simpson, 1929 ^1b (type loc. Puercan San Juan Basin, New Mexico)
= Catopsalis pollux Cope, 1882b (type loc. Puercan San Juan Basin, New Mexico)
T. lamberti Simmons, 1987 ^1d (type loc. Puercan Bechtold Locality, Montana)

Catopsalis Cope, 1882
C. foliatus Cope, 1882 * [Polymastodon foliatus] ^1b (type loc. Puercan San Juan Basin, New Mexico)
= C. johnstoni Fox, 1989 (type loc. Puercan Long Fall, Saskatchewan, possibly Late Cretaceous in age)
C. fissidens Cope, 1884 [Polymastodon fissidens] ^1b (type loc. Torrejonian San Juan Basin, New Mexico)
= C. utahensis Gazin, 1939 ^1f (type loc. Torrejonian Dragon, Utah)
C. joyneri Sloan & Van Valen, 1965 ^1g (type loc. Puercan Bug Creek Anthills, Montana)
C. calgariensis Russell, 1926 ^1f (type loc. Tiffanian Calgary 2E, Alberta)
C. alexanderi Middleton 1982 ^1d (type loc. Puercan Puercan Alexander Locality, Colorado, Colorado)
C. waddleae Buckley, 1995 ^1f (type loc. Puercan Simpson Quarry, Montana)

Prionessus Matthew & Granger, 1925 ^1b
P. lucifer Matthew & Granger, 1925 * ^1a (type loc. Gashatan Gashato, Mongolia)

Sphenopsalis Matthew, Granger & Simpson, 1928
S. nobilis Matthew, Granger & Simpson, 1928 * ^1a (type loc. Gashatan Gashato, Mongolia)

Lambdopsalis Chow & Qi, 1978
L. bulla Chow & Qi, 1978 * ^1d (type loc. Gashatan Nomogen, China)

Superfamily inc.sed.

Family Eucosmodontidae

Eucosmodon Matthew & Granger, 1921
E. americanus (Cope, 1885) * ^1b [Neoplagiaulax americanus Cope, 1885, Eucosmodon americanus, Matthew & Granger, 1921] (type loc. Puercan San Juan Basin, New Mexico)
E. molestus (Cope, 1886) ^1b [Neoplagiaulax molestus Cope, 1886, Eucosmodon molestus, Granger & Simpson, 1929] (type loc. Torrejonian San Juan Basin, New Mexico)
E. primus Granger & Simpson, 1929 ^1f [Eucosmodon americanus primus Granger & Simpson, 1929, Eucosmodon primus, Sloan 1981] (type loc. Puercan San Juan Basin, New Mexico)

Stygimys Sloan & Van Valen, 1965
S. kuszmauli Sloan & Van Valen, 1965 * ^1d (type loc. Puercan Bug Creek Anthills)
= S. cupressus Fox, 1989 ^1g (type loc. Puercan Long Fall, Saskatchewan, possibly Late Cretaceous in age, synonym fide Lofgren et al. (2005))
S. teilhardi (Granger & Simpson, 1929) ^1c [Eucosmodon teilhardi Granger & Simpson, 1929, Stygimys teilhardi, Sloan & Van Valen, 1965] (type loc. Torrejonian San Juan Basin, New Mexico)
S. jepseni (Simpson, 1935) ^{1c, 1c} [Parectypodus? jepseni Simpson, 1935, Eucosmodon jepseni, Jepsen, 1940, Stygimys jepseni, Sloan & Van Valen, 1965] (type loc. Torrejonian Gidley Quarry, Montana)
= Eucosmodon sparsus Simpson, 1937 (type loc. Torrejonian Crazy Mountain Basin, Montana, synonym fide Sloan & Van Valen (1965))
S. camptorhiza Johnston & Fox, 1984 ^1f (type loc. Puercan Rav W-1, Saskatchewan)
S. vastus Lofgren, Scherer, Clark & Standthardt, 2005 ^1g (type loc. Puercan or Torrejonian Tom’s Top, Texas)

Family Microcosmodontidae

Microcosmodon Jepsen, 1930
M. conus Jepsen, 1930 * ^1a (type loc. Tiffanian Princeton Quarry, Wyoming)
M. rosei Krause, 1980 ^1c (type loc. Clarkforkian Clark's Fork Basin)
"M." arcuatus Johnston & Fox, 1984 ^1f (type loc. Puercan Rav W-1, Saskatchewan)
"M." harleyi Weil, 1998 ^1g (type loc. Puercan Yellow Sand Hill, Montana)

Pentacosmodon Jepsen, 1940
P. pronus Jepsen, 1940 * ^1a (type loc. Tiffanian Princeton Quarry, Wyoming)
P. bowensis Fox, 2005 ^1g (type loc. Tiffanian Cochrane 2, Alberta)

Acheronodon Archibald, 1982
A. garbani Archibald, 1982 * ^1d (type loc. Puercan Hell's Hollow Local Fauna, Montana)
A. vossae Fox, 2005 ^1g (type loc. Tiffanian Cochrane 2, Alberta)

Allocosmodon Fox, 2005
A. woodi (Holtzman & Worlberg, 1977) * [Microcosmodon woodi Holtzman & Worlberg, 1977]^1c (type loc. Tiffanian New Anthill Locality, Wyoming)

Family Cimolomyidae

Cimolomys Marsh, 1889
?= Allacodon Marsh, 1889
Occurrence uncertain: Cimolomys gracilis Marsh, 1889 * ^1a (type loc. Lancian Wyoming, Puercan specimens reworked?)
= Selenacodon brevis Marsh, 1889

Meniscoessus Cope, 1882
= Dipriodon Marsh, 1889
= Tripriodon Marsh, 1889
= Selenacodon Marsh, 1889
= Halodon Marsh, 1889
= Oracodon Marsh, 1889
Earlier species: M. conquistus Cope, 1882 * (type loc. Lancian)
Occurrence uncertain: M. robustus (Marsh, 1889) [Dipriodon robustus Marsh, 1889] ^1d (type loc. Lancian Wyoming, Puercan specimens reworked?)
= M. greeni Wilson, 1987 (type loc. Lancian Red Owl Quarry, South Dakota)
= M. borealis Simpson, 1927 (type loc. Lancian Montana)
= Dipriodon lacunatus Marsh, 1889
= Tripriodon coelatus Marsh, 1889 *
= Selenacodon fragilis Marsh, 1889 *
= Halodon sculptus Marsh, 1889 *
= Oracodon anceps Marsh, 1889 *
= Oracodon conulus Marsh, 1892

Essonodon Simpson, 1927 (family uncertain)
Occurrence uncertain: E. browni Simpson, 1927 * ^1g (type loc. Lancian Montana, Puercan specimens reworked?)

Family Boffiidae

Boffius Vianey-Liaud, 1979 (Cimolomyidae?)
B. splendidus Vianey-Liaud, 1979 * ^1f (type loc. Danian Hainin, Belgium)

Family Kogaionidae

Hainina Vianey-Liaud, 1979 (included in Cimolomyidae by Vianey-Liaud, 1986, included in Cimolodonta inc. sed. by McKenna & Bell, 1997, included in Kogaionidae by Kielan-Jaworowska & Hurum, 2001)
H. belgica Vianey-Liaud, 1979 * ^1f (type loc. Danian Hainin, Belgium)
H. godfriauxi Vianey-Liaud, 1979 ^1f (type loc. Danian Hainin, Belgium)
H. vianeyae Peláez-Campomanes, López-Martínez, Álvarez-Sierra & Daams, 2000 ^1g (type loc. Cernaysian Cernay, France)
H. pyrenaica Peláez-Campomanes, López-Martínez, Álvarez-Sierra & Daams, 2000 ^1g (type loc. Danian Fontllonga-3, Spain)

Family inc. sed.

Cimexomys Sloan & Van Valen, 1965
C. minor Sloan & Van Valen, 1965 * ^1d (type loc. Puercan Bug Creek Anthills, Montana)
C. gratus (Jepsen, 1930) ^1a [Eucosmodon gratus Jepsen, 1930, Stygimys gratus, Sloan & Van Valen, 1965, Cimexomys gratus, Lofgren, 1995] (type loc. Puercan Mantua Lentil, Wyoming)
= C. hausoi Archibald, 1982 ^1d (type loc. Puercan Hell's Hollow Local Fauna, Montana, synonym fide Lofgren, 1995)
C. arapahoensis Middleton & Dewar, 2004 ^1g (type loc. Puercan Alexander Locality, Colorado)

Fractinus Higgins, 2003
F. palmorum Higgins, 2003 * ^1g (type loc. Tiffanian Hanna Basin, Wyoming)

Viridomys Fox, 1971
Earlier species: V. orbatus Fox, 1971 * (type loc. Aquilan Alberta)
Occurrence uncertain: V.? sp. ^1g (Puercan or Torrejonian Dogie Locality, Texas)

Cohort Marsupialia

Order Peradectia

Family Peradectidae

Peradectes Matthew & Granger, 1921
= Thylacodon Matthew & Granger, 1921 (provisionally regarded as nomen dubium by Clemens (2006))
P. elegans Matthew & Granger, 1921 * ^1a (type loc. Tiffanian Mason Pocket, Colorado)
P. pusillus (Matthew & Granger, 1921) ^1a [Thylacodon pusillus Matthew & Granger, 1921 *, Peradectes pusillus, Clemens, 2006] (type loc. Puercan San Juan Basin, New Mexico)
P. minor Clemens, 2006 ^1h (type loc. Puercan Montana)
P. pauli Gazin, 1956 ^1b (type loc. Tiffanian Saddle Locality, Wyoming)
P. protinnominatus McKenna, 1960 ^1e (type loc. Wasatchian Four Mile Fauna, Colorado)
P. austrinum (Sigé, 1971) ^1e [Alphadon austrinum Sigé, 1971] (type loc. Tiupampan Laguna Umayo, Peru)

Mimoperadectes Bown & Rose, 1979
Occurrence uncertain: M. labrus Bown & Rose, 1979 * ^1e (type loc. Wasatchian Clark's Fork Basin, Wyoming, questionably also Clarkforkian Clark's Fork Basin, Wyoming)

Alphadon Simpson, 1927
Occurrence uncertain: A. marshi Simpson, 1927 * ^1e (type loc. Lancian Wyoming, Puercan specimens reworked?)
?= A. wilsoni Lillegraven, 1969
Occurrence uncertain: A. wilsoni Lillegraven, 1969 ^1h (type loc. Lancian KUA-1, Alberta, Puercan specimens reworked?) (questionable synonym of Alphadon marshi Simpson, 1927)
Occurrence uncertain: A. jasoni Storer, 1991 ^1h (type loc. Lancian Gryde Local Fauna, Saskatchewan, Puercan specimens reworked or Cretaceous in age?)

Turgidodon Cifelli, 1990
Occurrence uncertain: T. rhaister (Clemens, 1966) ^1h [Alphadon rhaister Clemens, 1966] (type loc. Lancian Wyoming, Puercan specimens reworked?)

Family Caroloameghiniidae

Procaroloameghinia Marshall, 1982
P. pricei Marshall, 1982 * ^1e (type loc. Itaboraian/Riochican Itaboraí, Brazil)

Order Didelphimorphia

Family Didelphidae

Subfamily Herpetotheriinae

Swaindelphys Johanson, 1996
S. cifellii Johanson, 1996 * ^1e (type loc. Torrejonian Swain Quarry, Wyoming)

Peratherium Aymard, 1850
= Qatranitherium Crochet, Thomas, Sen, Roger, Gheerbrant & Al-Sulaimani, 1992 [incorrectly Quatranitherium]
?= Alacodon Quinet, 1964
Occurrence uncertain: P.? sp. ^1b (Tiffanian Princeton Quarry, Wyoming)

Subfamily Didelphinae

Pucadelphys Marshall & de Muizon, 1988
P. andinus Marshall & de Muizon, 1988 * ^1e (type loc. Tiupampan Tiupampa, Bolivia)

Incadelphys Marshall & de Muizon, 1988
I. antiquus Marshall & de Muizon, 1988 * ^1e (type loc. Tiupampan Tiupampa, Bolivia)

Mizquedelphys Marshall & de Muizon, 1988
M. pilpinensis Marshall & de Muizon, 1988 * ^1e (type loc. Tiupampan Tiupampa, Bolivia)

Andinodelphys Marshall & de Muizon, 1988
A. cochabambensis Marshall & de Muizon, 1988 * ^1e (type loc. Tiupampan Tiupampa, Bolivia)

Marmosopsis Paula Couto, 1962
M. juradoi Paula Couto, 1962 * ^1b (type loc. Itaboraian/Riochican Itaboraí, Brazil)

Itaboraidelphys Marshall & de Muizon, 1984
I. camposi Marshall & de Muizon, 1984 * ^1e (type loc. Itaboraian/Riochican Itaboraí, Brazil)

Carolopaulacoutoia McKenna & Bell, 1997 (replacement for Sternbergia, Paucituberculata?)
= Sternbergia Paula Couto, 1970 (preoccupied)
C. itaboraiensis (Paula Couto, 1970) * [Sternbergia itaboraiensis Paula Couto, 1970 *] ^1e (type loc. Itaboraian/Riochican Itaboraí, Brazil)

Subfamily Derorhynchinae

Derorhynchus Paula Couto, 1952
D. singularis Paula Couto, 1952 * ^2a (type loc. Itaboraian/Riochican Itaboraí, Brazil)
Later species: D. minutus Goin, Case, Woodburne, Vizcaíno & Reguero 1999 (type loc. Middle Eocene La Meseta, Seymour Island, Antarctica)
D. aff. D. minutus (Peligran Punta Peligro, Argentina fide Gelfo, Ortiz-Jaureguizar & Rougier (2007), Goin, Gelfo, Ortiz-Jaureguizar, Forasiepi, Candela, Vieytes & Cladera (2021))

Minusculodelphis Paula Couto, 1962
M. minimus Paula Couto, 1962 * [incorrectly M. minutus] ^1b (type loc. Itaboraian/Riochican Itaboraí, Brazil)

Subfamily Eobrasiliinae

Eobrasilia Simpson, 1947
E. coutoi Simpson, 1947 * ^1a (type loc. Itaboraian/Riochican Itaboraí, Brazil)

Gaylordia Paula Couto, 1952
= Xenodelphis Paula Couto, 1962
G. macrocynodonta Paula Couto, 1952 * ^2a (type loc. Itaboraian/Riochican Itaboraí, Brazil)
G. doelloi (Paula Couto, 1962) [Xenodelphis doelloi Paula Couto, 1962 *] ^1b (type loc. Itaboraian/Riochican Itaboraí, Brazil)
= G. mendesi Paula Couto, 1970 ^1e (type loc. Itaboraian/Riochican Itaboraí, Brazil)

Didelphopsis Paula Couto, 1952
D. cabrerai Paula Couto, 1952 * ^2a (type loc. Itaboraian/Riochican Itaboraí, Brazil)
D. primaeva Goin, Gelfo, Ortiz-Jaureguizar, Forasiepi, Candela, Vieytes & Cladera, 2021 (type loc. Peligran Punta Peligro, Argentina)

Tiulordia Marshall & de Muizon, 1988
T. floresi Marshall & de Muizon, 1988 * ^1e (type loc. Tiupampan Tiupampa, Bolivia)

Family Protodidelphidae (order uncertain)

Protodidelphis Paula Couto, 1952 ^1b
?= Robertbutleria Marshall, 1987
P. vanzolinii Paula Couto, 1952 * ^1b (type loc. Itaboraian/Riochican Itaboraí, Brazil)
?= Robertbutleria mastodontoidea Marshall, 1987

Guggenheimia Paula Couto, 1952 (family uncertain)
G. brasiliensis Paula Couto, 1952 * ^2a (type loc. Itaboraian/Riochican Itaboraí, Brazil)

Robertbutleria Marshall, 1987 (questionable synonym of Protodidelphis Paula Couto, 1952, included in Caroloameghiniidae by Marshall (1987), included in Protodidelphidae by Goin, Oliveira & Candela (1998))
R. mastodontoidea Marshall, 1987 * ^1e (type loc. Itaboraian/Riochican Itaboraí, Brazil) (questionable synonym of Protodidelphis vanzolinii Paula Couto, 1952)

Carolocoutoia Goin, Oliveira & Candela, 1998
Carolocoutoia ferigoloi Goin, Oliveira & Candela, 1998 * ^1h (type loc. Itaboraian/Riochican Itaboraí, Brazil)

Family Jaskhadelphydae (valid?)

Jaskhadelphys Marshall & de Muizon, 1988
J. minutus Marshall & de Muizon, 1988 * ^1e (type loc. Itaboraian/Riochican Itaboraí, Brazil)

Family inc. sed.

Bobbschaefferia Paula Couto, 1970 (replacement for Schaefferia)
= Schaefferia Paula Couto, 1952 (preoccupied)
B. fluminensis (Paula Couto, 1952) * [Schaefferia fluminensis Paula Couto, 1952 *] ^1b (type loc. Itaboraian/Riochican Itaboraí, Brazil)

Zeusdelphys Marshall, 1987
Z. complicatus Marshall, 1987 * ^1e (type loc. Itaboraian/Riochican Itaboraí, Brazil)

Szalinia de Muizon & Cifelli, 2001
S. gracilis de Muizon & Cifelli, 2001 * ^1h (type loc. Tiupampan Tiupampa, Bolivia)

Order Polydolopimorphia

Family Polydolopidae

Subfamily Polydolopinae

Polydolops Ameghino, 1897
= Anissodolops Ameghino, 1903
= Archaeodolops Ameghino, 1903
= Orthodolops Ameghino, 1903
= Pliodolops Ameghino, 1902
Later species: P. thomasi Ameghino, 1897 * (type loc. Casamayoran Patagonia, Argentina)
P. rothi Simpson, 1936 ^1a (type loc. Itaboraian or Riochican Pan de Azúcar, Argentina)
P. winecage Simpson, 1935 ^1b (type loc. Riochican Bajo de la Palangana, Argentina)
P. kamektsen Simpson, 1935 [P.? kamektsen Simpson, 1935] ^1b (type loc. Itaboraian Cañadón Hondo, Argentina)

Amphidolops Ameghino, 1902
= Anadolops Ameghino, 1903
= Seumadia Simpson, 1935
Later species: A. serrula Ameghino, 1902 * (type loc. Casamayoran Patagonia, Argentina)
A. yapa (Simpson, 1935) [Seumadia yapa Simpson, 1935 *] ^1a (type loc. Itaboraian Cerro Redondo, Argentina)

Family Bonapartheriidae

Salamancatherium Goin, Gelfo, Ortiz-Jaureguizar, Forasiepi, Candela, Vieytes & Cladera, 2021
S. lacerum Goin, Gelfo, Ortiz-Jaureguizar, Forasiepi, Candela, Vieytes & Cladera, 2021 * (type loc. Peligran Punta Peligro, Argentina)

Subfamily Epidolopinae (included in Bonapartheriidae by Goin, Candela & de Muizon (2003))

Epidolops Paula Couto, 1952
E. ameghinoi Paula Couto, 1952 * ^1a (type loc. Itaboraian/Riochican Itaboraí, Brazil)
= E. gracilis Paula Couto, 1952 ^1b (type loc. Itaboraian/Riochican Itaboraí, Brazil)

Family Prepidolopidae

Prepidolops Pascual, 1980
Later species: P. didelphoides Pascual, 1980 * (type loc. Casamayoran Argentina)
Occurrence uncertain: aff. P. sp. ^1h (Riochican Bajo de la Palangana, Argentina)

Family Sillustaniidae

Sillustania Crochet & Sigé, 1996
S. quechuense Crochet & Sigé, 1996 * ^1h (type loc. Paleocene? Chulpas, Peru)

Fam. Glasbiidae

Glasbius Clemens, 1966 (included in Polydolopimorphia, Glasbiidae by Goin & Candela (2004), Goin (2006))
Earlier species: G. intricatus Clemens, 1966 * (type loc. Lancian Wyoming)
Occurrence uncertain: G. twitchelli Archibald, 1982 ^1e (type loc. Lancian Montana, Puercan specimens reworked?)

Family inc. sed.

Roberthoffstetteria Marshall, de Muizon & Sigé, 1983 (included in Caroloameghiniidae by Marshall, de Muizon & Sigé (1983), included in Polydolopimorphia inc. sed. by Goin, Candela & de Muizon (2003))
R. nationalgeographica Marshall, de Muizon & Sigé, 1983 * ^1e (type loc. Tiupampam Tiupampa, Bolivia)

Chulpasia Crochet & Sigé, 1993 (included in Caroloameghiniidae by Crochet & Sigé (1993), included in Polydolopimorphia, Glasbiidae by Goin & Candela (2004) and Goin (2006), included in Polydolopimorphia inc. sed .by Sigé, Sempere, Butler, Marshall & Crochet (2004))
C. mattaueri Crochet & Sigé, 1993 * ^1h (type loc. Paleocene? Chulpas, Peru)

Palangania Goin, Candela, Bond, Pascual & Escribano, 1998 (order uncertain)
P. brandmayri Goin, Candela, Bond, Pascual & Escribano, 1998 * ^1h (type loc. Riochican Bajo de la Palangana, Argentina)

Cocatherium Goin, Pascual, Tejedor, Gelfo, Woodburne, Case, Reguero, Bond, López, Cione, Sauthier, Balarino, Scasso, Medina & Ubaldón, 2006 (order uncertain, questionably included in Polydolopimorphia by Goin et al. (2006))
C. lefipanum Goin, Pascual, Tejedor, Gelfo, Woodburne, Case, Reguero, Bond, López, Cione, Sauthier, Balarino, Scasso, Medina & Ubaldón, 2006 * ^1h (type loc. Danian Grenier Farm, Argentina)

Alfredocarlinia Goin, Gelfo, Ortiz-Jaureguizar, Forasiepi, Candela, Vieytes & Cladera, 2021
A. cratera Goin, Gelfo, Ortiz-Jaureguizar, Forasiepi, Candela, Vieytes & Cladera, 2021 * (type loc. Peligran Punta Peligro, Argentina)

Order Sparassodonta

Family Mayulestidae

Mayulestes de Muizon, 1994
M. ferox de Muizon, 1994 * ^1e (type loc. Tiupampan Tiupampa, Bolivia)

Family Hathliacynidae

Allqokirus Marshall & de Muizon, 1988
A. australis Marshall & de Muizon, 1988 * ^1e (type loc. Tiupampan Tiupampa, Bolivia)

Palaeocladosictis Paula Couto, 1961
P. mosei Paula Coutp 1961 * ^11b (type loc. Itaboraian/Riochican Itaboraí, Brazil)

Patene Simpson, 1935
= Ischyrodidelphis Paula Couto, 1952
Later species: P. coluapiensis Simpson, 1935 * (type loc. Casamayoran Chubut, Argentina)
P. simpsoni Paula Couto, 1952 ^1a (type loc. Itaboraian/Riochican Itaboraí, Brazil)
= Ischyrodidelphis castellanosi Paula Couto, 1952 * ^1b (type loc. Itaboraian/Riochican Itaboraí, Brazil)

Family Borhyaenidae

Nemolestes Ameghino, 1902
Later species: N. spalacotherinus Ameghino, 1902 * (type loc. Casamayoran Patagonia, Argentina)
Occurrence uncertain: N.? sp. ^1b (Riochican Bajo de la Palangana, Argentina)
Occurrence uncertain: cf. N. sp. (Itaboraian/Riochican Itaboraí, Brazil)

Order Microbiotheria

Family Microbiotheriidae

Subfamily Microbiotheriinae

Khasia Marshall & de Muizon, 1988
K. cordillerensis Marshall & de Muizon, 1988 * ^1e (type loc. Tiupampan Tiupampa, Bolivia)

Mirandatherium Paula Couto, 1952 (replacement for Mirandaia)
= Mirandaia Paula Couto, 1952 (preoccupied)
M. alipioi (Paula Couto, 1952) ^1b * (type loc. Itaboraian/Riochican Itaboraí, Brazil) (replacement for Mirandaia ribeiroi)
= Mirandaia ribeiroi Paula Couto, 1952 * (preoccupied)

Subfamily Pediomyinae (order uncertain)

Pediomys Marsh, 1889
= Synconodon Osborn, 1898
= Protolambda Osborn, 1898
Occurrence uncertain: P. elegans Marsh, 1889 * ^1e (type loc. Lancian Wyoming, Puercan specimens reworked?)
Occurrence uncertain: P. hatcheri (Osborn, 1898) [Protolambda hatcheri Osborn, 1898 *] ^1e (type loc. Lancian Wyoming, Puercan specimens reworked?)
Occurrence uncertain: P. cooki Clemens, 1966 ^1e (type loc. Lancian Wyoming, Puercan specimens reworked?)
Occurrence uncertain: P. krejcii Clemens, 1966 ^1e (type loc. Lancian Wyoming, Puercan specimens reworked?)
Occurrence uncertain: P. florencae Clemens, 1966 ^1e (type loc. Lancian Wyoming, Puercan specimens reworked?)

Monodelphopsis Paula Couto, 1952 (position uncertain)
M. travassosi Paula Couto, 1952 * ^1b (type loc. Itaboraian/Riochican Itaboraí, Brazil)

Marsupialia inc. sed.

Family Stagodontidae

Didelphodon Marsh, 1889
= Stagodon Marsh, 1889
= Thlaeodon Cope, 1892
= Ectoconodon Osborn, 1898
= Diaphorodon Simpson, 1927
Occurrence uncertain: D. vorax Marsh, 1889 * ^1h (type loc. Lancian Wyoming, Puercan specimens reworked?)

Family Gashterniidae (position uncertain)

Gashternia Simpson, 1935
G. ctalehor Simpson, 1935 * ^2a (type loc. Itaboraian Cañadón Hondo, Argentina)

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