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Placentalia (placental)

Mammalia -

Sister taxa
Afrotheria (syn. Afroplacentalia), Americatheria, Atlantogenata (syn. Xenafrotheria, Notoplacentalia), Boreoeutheria (syn. Boreotheria, Boreoplacentalia), Educabilia, Epitheria, Euarchontoglires (syn. Archontoglires, Supraprimates), Exafroplacentalia, Ineducabilia, Laurasiatheria (syn. Laurasiaplacentalia), Mutilata, Ungulatomorpha

View classification of included taxa

Synonyms
Synonymy list
YearName and author
1837Placentalia Owen p. 903
1850Placentalia Bonaparte p. 1
1872Monodelphia Gill p. 45
1889Monodelphia Cope p. 874
1930Monodelphia Hay p. 396
1966Placentalia Olson p. 302
1996Ungulatomorpha Archibald
1997Ungulatomorpha Averianov p. 249
1997Placentalia McKenna and Bell p. 80
1998Ungulatomorpha Archibald
1998Ungulatomorpha Nessov et al. p. 45
1999Atlantogenata Waddell et al. p. cover
2000Placentalia Seiffert and Simons p. 2646
2003Placentalia Horovitz
2004Ungulatomorpha Kielan-Jaworowska et al. pp. 494, 509
2005Placentalia Averianov and Archibald p. 595
2005Placentalia Shoshani and Tassy p. 9 figs. Table 2
2007Placentalia Wible et al.
2010Atlantogenata Asher and Helgen p. 3 figs. Figure 1
2010Placentalia Asher and Helgen p. 3 figs. Figure 1
2011Placentalia Luo et al. p. 444

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
RankNameAuthor
Cotylosauria()
Amniota
Synapsida()
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
Placentalia

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Maximum body mass: 1374.7 kgs
Minimum body mass: 3 gg
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: scansorialsubc
Diet: insectivoreuc
Created: 2005-09-06 20:43:42
Modified: 2005-09-06 22:44:32
Source: s = species, g = genus, subc = subclass, c = class, subp = subphylum, uc = unranked clade
References: Kay 1994, Luo et al. 2003, Johnson and Madden 1997, Vizcaíno et al. 2010, Carroll 1988, Kay and Cozzuol 2006, Kay and Meldrum 1997, Hendy et al. 2009, Ji et al. 2002, Legendre 1988, Kay et al. 2008, Uhen and Gingerich 1995, Fleagle 1990

Age range

Maximum range based only on fossils: base of the Late/Upper Barremian to the top of the Holocene or 130.00000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 113.0 Ma

Collections (14814 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Late/Upper Barremian - Aptian130.0 - 113.0Russian Federation (Buryat) Prokennalestes abramovi, Kennalestoidea indet. (58196)
Early/Lower Cenomanian99.6 - 93.5Uzbekistan (Navoi) Bobolestes zenge (58208) Otlestes meiman (64684)
Middle Turonian - Late/Upper Turonian93.5 - 89.3Uzbekistan (Navoi) Deltatheridia indet. (58179) Periptychidae indet. (58168)
Early/Lower Campanian83.5 - 70.6Kazakhstan (Ongtüstik Qazaqstan) Otlestidae indet. (59730)
Judithian83.5 - 70.6Canada (Alberta) Nyctitheriidae indet. (14451)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0Brazil (São Paulo) Placentalia indet. (57000)
Maastrichtian72.1 - 66.0USA (Montana) Paleoungulatum hooleyi (183109)
Maastrichtian72.1 - 66.0India (Andhra Pradesh) Deccanolestes hislopi, Deccanolestes robustus, Deccanolestes hislopi (27014) Deccanolestes sp., Deccanolestes robustus, Deccanolestes hislopi (122240)
Maastrichtian72.1 - 66.0Portugal (Coimbra) Leptacodon sp., Placentalia indet. (49276)
Maastrichtian72.1 - 66.0India (Madhya Pradesh) Deccanolestes sp., Kharmerungulatum vanvaleni, Otlestidae indet., Deccanolestes narmadensis (75493)
Maastrichtian72.1 - 66.0USA (North Dakota) Cimolestes magnus (45144)
Lancian70.6 - 66.0Canada (Alberta) Cimolestes magnus (14630 14633 14635 14637)
Lancian70.6 - 66.0Canada (Saskatchewan) Cimolestes magnus (14558)
Lancian70.6 - 66.0USA (Wyoming) Cimolestes magnus (14519 14598)
Lancian70.6 - 66.0USA (Montana) Cimolestes magnus (14516 14532)
Pu366.0 - 63.3USA (New Mexico) Tiznatzinia sp., Valenia sp., Chacomylus sladei (26575)
Puercan66.0 - 63.3USA (North Dakota) Oxyacodon priscilla (14765)
Puercan66.0 - 63.3Canada (Alberta) Pandemonium hibernalis (174625) Prothryptacodon albertensis (14769)
Puercan66.0 - 63.3USA (Utah) Anisonchus athelas, Anisonchus oligistus, Ectoconus ditrigonus, Ectoconus symbolus, Oxyacodon ferronensis, Periptychus hamaxitus, Promioclaenus wilsoni (14736) Anisonchus athelas, Anisonchus oligistus, Ectoconus symbolus, Haplaletes andakupensis, Oxyacodon marshater, Periptychus hamaxitus, Conacodon utahensis, Haploconus sp. (14790) Anisonchus athelas, Ectoconus ditrigonus, Conacodon utahensis (14739) Ectoconus sp., Ectoconus symbolus, Periptychus hamaxitus (14748) Haploconus sp., Anisonchus athelas, Anisonchus onostus, Ectoconus ditrigonus, Ectoconus symbolus, Haploconus elachistus, Oxyacodon apiculatus, Periptychus coarctatus, Litaletes gazinensis (14692) Promioclaenus sp., Oxyacodon sp., Ectoconus symbolus, Oxyacodon apiculatus, Oxyacodon ferronensis, Periptychus coarctatus (14670)
Puercan66.0 - 63.3USA (Texas) Bryanictis sp., Protoselene sp., Carsioptychus coarctatus, Haploconus inopinatus, Ellipsodon priscus (14829) Promioclaenus sp., Protictis sp., Palaechthon nacimienti (14887)