PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Prosotherium garzoni

Mammalia - Notoungulata

Taxonomy

Prosotherium garzoni was named by Ameghino (1897). Its type specimen is MACN A 52-455, a partial skull, and it is a 3D body fossil. It is the type species of Prosotherium.

Synonyms

Prosotherium triangulidens was named by Ameghino (1897).

It was synonymized subjectively with Prosotherium garzoni by Seoane et al. (2019).
Prosotherium robustum was named by Ameghino (1897).

It was synonymized subjectively with Prosotherium garzoni by Seoane et al. (2019).
Propachyrucos ameghinorum was named by Simpson (1945). Its type specimen is AMNH 29574, a skeleton (Nearly complete skeleton), and it is a 3D body fossil. Its type locality is Las Cascadas, Deseado, which is in a Deseadan terrestrial horizon in the Sarmiento Formation of Argentina.

It was synonymized subjectively with Prosotherium garzoni by Seoane et al. (2019).
Prosotherium quartum was named by Ameghino (1901).

It was synonymized subjectively with Prosotherium garzoni by Seoane et al. (2019).
Propachyrucos simpsoni was named by Chaffee (1952). Its type specimen is AMNH 29604, a mandible, and it is a 3D body fossil.

It was synonymized subjectively with Prosotherium garzoni by Seoane et al. (2019).

Synonymy list

Year	Name and author
1897	Prosotherium garzoni Ameghino p. 426 fig. 12
1897	Prosotherium robustum Ameghino p. 427
1897	Prosotherium triangulidens Ameghino p. 427
1901	Prosotherium quartum Ameghino p. 375
1945	Propachyrucos ameghinorum Simpson p. 551
1952	Propachyrucos simpsoni Chaffee
2019	Prosotherium garzoni Seoane 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
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Afrotheria	Stanhope et al. 1998
—	Paenungulatomorpha
—	Paenungulata	Simpson 1945
—	Sudamericungulata
order	Notoungulata
suborder	Typotheria	Zittel 1892
—	Hegetotheriidae	(Ameghino 1894)
—	Pachyrukhinae	(Kraglievich 1934)
genus	Prosotherium
species	garzoni

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.

†Prosotherium garzoni Ameghino 1897

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Invalid names: Propachyrucos ameghinorum Simpson 1945 [synonym], Propachyrucos simpsoni Chaffee 1952 [synonym], Prosotherium quartum Ameghino 1901 [synonym], Prosotherium robustum Ameghino 1897 [synonym], Prosotherium triangulidens Ameghino 1897 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialsubc

Locomotion:

actively mobilec

Life habit:

scansorialsubc

Diet:

herbivoreo

Reproduction:

viviparoussubc

Created:

2009-01-05 17:11:49

Modified:

2009-01-05 19:11:49

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

References: MacFadden et al. 1996, Hendy et al. 2009, Lillegraven 1979, Carroll 1988, Ji et al. 2002

Age range: Deseadan or 29.00000 to 21.00000 Ma

Collections (4 total)

Time interval	Ma	Country or state	Original ID and collection number
Deseadan	29.0 - 21.0	Argentina (Chubut)	Propachyrucos ameghinorum (146358) Propachyrucos simpsoni, Prosotherium garzoni (49851) Prosotherium garzoni, Prosotherium triangulidens (14211)
Deseadan	29.0 - 21.0	Argentina (Mendoza)	Propachyrucos smithwoodwardi (176466)