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Eomaia

Mammalia

Taxonomy
Eomaia was named by Ji et al. (2002) [Family incertae sedis]. It is not extant. Its type is Eomaia scansoria.

It was assigned to Eutheria by Wang et al. (2006); to Eutheria by Ji et al. (2002), Kielan-Jaworowska et al. (2004) and Zhou and Wang (2010); to Eutheria by Bi et al. (2018); and to Mammalia by Velazco et al. (2022).

Species
E. scansoria (type species)

Synonymy list
YearName and author
2002Eomaia Ji et al. p. 816
2004Eomaia Kielan-Jaworowska et al. pp. 494-497 figs. 13.8A, 13.9, 13.10, 13.17A, 13.19G
2006Eomaia Wang et al.
2010Eomaia Zhou and Wang
2018Eomaia Bi et al.
2022Eomaia Velazco et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
RankNameAuthor
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
genusEomaia

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.

G. †Eomaia Ji et al. 2002
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Eomaia scansoria Ji et al. 2002
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Maximum body mass: 30 gs
Minimum body mass: 30 gs
Body mass estimate: 30 g
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: scansorialg
Diet: insectivoreg
Reproduction: viviparoussubc
Comments: scansorial based on phalangeal morphology (Luo et al. 2003); clearly insectivorous based on very small body size (about 25 to 40 g) and dentitiong
Created: 2011-04-22 22:06:57
Modified: 2011-04-24 08:15:39
Source: s = species, g = genus, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Lillegraven 1979, Ji et al. 2002, Hendy et al. 2009

Age range: base of the Late/Upper Barremian to the top of the Early/Lower Aptian or 130.00000 to 122.46000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Barremian - Early/Lower Aptian130.0 - 122.46China (Liaoning) E. scansoria (13937)