PBDB Taxon

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Poebrotherium

Mammalia - Camelidae

Taxonomy

Poebrotherium was named by Leidy (1847). Its type is Poebrotherium wilsoni. It is the type genus of Poebrotheriinae.

It was assigned to Poebrotheriinae by Hay (1902) and Simpson (1945); to Camelidamorpha by Spaulding et al. (2009); and to Camelidae by Leidy (1847), Lambe (1908), Scott (1940), Carroll (1988), Prothero (1996), Honey et al. (1998), Thewissen et al. (2001) and Jiménez-Hidalgo et al. (2015).

Species

P. chadronense, P. eximium, P. wilsoni (syn. P. andersoni) (type species)

Synonymy list

Year	Name and author
1847	Poebrotherium Leidy
1902	Poebrotherium Hay p. 675
1908	Poebrotherium Lambe
1940	Poebrotherium Scott p. 618
1945	Poebrotherium Simpson p. 150
1988	Poebrotherium Carroll
1996	Poebrotherium Prothero p. 612
1998	Poebrotherium Honey et al. p. 441
2001	Poebrotherium Thewissen et al. p. suppl.
2009	Poebrotherium Spaulding et al. p. e7062
2015	Poebrotherium Jiménez-Hidalgo et al.

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()

Rank	Name	Author
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Theriamorpha	(Rowe 1993)
—	Theriiformes	()
—	Trechnotheria
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Boreoeutheria
—	Laurasiatheria
—	Scrotifera
—	Euungulata
—	Artiodactylamorpha
—	Artiodactyla	()
family	Camelidae
genus	Poebrotherium

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. †Poebrotherium Leidy 1847

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†Poebrotherium chadronense Prothero 1996

†Poebrotherium eximium Hay 1902

†Poebrotherium wilsoni Leidy 1847

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Invalid names: Poebrotherium andersoni Troxell 1917 [synonym]

Diagnosis

Reference	Diagnosis
D. R. Prothero 1996	Small to medium-sized camels (M1-3 length = 28-37 mm), with anterior dentition becoming differentiated and developing diastemata. Relatively low- crowned molars with strong styles. Distinguished from Poebrodon by: larger size; greater hypsodonty; M2 wider posteriorly; lingual hypoconulid lobe of M3 reduced; lingual surface of metaconid and entoconid more flattened.

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialo

Locomotion:

actively mobilec

Life habit:

ground dwellingf

Diet:

browserf

Diet 2:

browserf

Reproduction:

viviparoussubc

Created:

2005-06-08 10:11:09

Modified:

2005-08-31 16:42:02

Source: f = family, o = order, subc = subclass, c = class, subp = subphylum

References: Lillegraven 1979, Nowak 1991, Nowak 1999, Carroll 1988, Hendy et al. 2009

Age range: base of the Chadronian to the top of the Early/Lower Barstovian or 37.20000 to 12.50000 Ma

Collections (63 total)

Time interval	Ma	Country or state	Original ID and collection number
Bartonian - Rupelian	41.3 - 28.1	Mexico (Oaxaca)	P. sp. (166797)
Chadronian	37.2 - 33.9	USA (South Dakota)	P. andersoni (16885) P. sp. (17006)
Chadronian	37.2 - 33.9	USA (Nebraska)	P. eximium (16918 16970 17031) P. sp. (16929 16940 17014) P. wilsoni (16930)
Chadronian	37.2 - 33.9	USA (Montana)	P. eximium (16925) P. sp. (16914 16935 16988 17010)
Chadronian	37.2 - 33.9	USA (Wyoming)	P. eximium (16942 16986) P. eximium, P. wilsoni (16943) P. sp. (16901 16902 16960 16961 16962 16963 16964 16965 16992)
Chadronian	37.2 - 33.9	USA (Colorado)	P. sp. (16977)
Chadronian	37.2 - 33.9	USA (Texas)	P. chadronense (16888)
Chadronian	37.2 - 33.9	USA (North Dakota)	P. sp. (16991)
Chadronian	37.2 - 33.9	Canada (Saskatchewan)	P. sp. (16893 16919)
Orellan	33.9 - 33.3	USA (South Dakota)	P. sp. (17133 17187 17190 17296) P. wilsoni (17094 17153 17173 17174 17295)
Orellan	33.9 - 33.3	USA (Colorado)	P. wilsoni (17081 17082)
Orellan	33.9 - 33.3	USA (North Dakota)	P. sp. (17100) P. wilsoni (17125 17128)
Orellan	33.9 - 33.3	Canada (Saskatchewan)	P. sp. (17055)
Orellan	33.9 - 33.3	USA (Wyoming)	P. eximium, P. wilsoni (17104 17105 17134) P. sp. (17064 17117) P. wilsoni (17106)
Orellan	33.9 - 33.3	USA (Montana)	P. sp. (17090 17138)
Orellan	33.9 - 33.3	USA (Nebraska)	P. wilsoni (17062 17098 17112 17159 17164)
Whitneyan	33.3 - 30.8	USA (Nebraska)	P. wilsoni (17428)
Whitneyan - Monroecreekian	33.3 - 24.8	Canada (Saskatchewan)	P. sp. (17306)
Early/Lower Barstovian	16.3 - 12.5	USA (Nebraska)	P. eximium (17976)