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Chilgatherium harrisi

Mammalia - Proboscidea - Deinotheriidae

Taxonomy
Chilgatherium harrisi was named by Sanders et al. (2004). Its type specimen is CH35−3a−e, a set of teeth, and it is not a trace fossil. Its type locality is Chilga, which is in a Chattian fluvial lignite/siltstone in Ethiopia. It is the type species of Chilgatherium.

Synonymy list
YearName and author
2004Chilgatherium harrisi Sanders et al. pp. 372-377 fig. 4

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Synapsida()
RankNameAuthor
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
AfrotheriaStanhope et al. 1998
Tethytheria
orderProboscidea()
familyDeinotheriidaeBonaparte 1845
subfamilyChilgatheriinae
genusChilgatherium
speciesharrisi

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
ReferenceDiagnosis
W. Sanders et al. 2004Diminutive deinotheres; teeth smaller than homologs in Prodeinotherium and Deinotherium (Fig. 6). Differ from deinotheriines (Deinotherium and Prodeinotherium) in the following features: P3 with bunodont cusps
that are more independent in occlusal distribution and that crowd the trigon basin, and with a weakly formed ectoloph; m2 with poor expression of cristids; m2, m3, and M3 with incipient development of a tritoloph(id). Distinguished from barytherioids (Phosphatherium, Daouitherium, Numidotherium, Barytherium, all with bilophodont molars) by development of the m2 distocristid into an incipient third lophid; by development of a postentoconulid in m3; by greater expression of lingual cusps in P3 (shared with other deinotheres); and by the bunodont (P3) and bunolophodont (molars) condition of cheek teeth.