PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Protypotherium praerutilum

Mammalia - Notoungulata - Interatheriidae

Taxonomy

Protypotherium praerutilum was named by Ameghino (1887). It is not extant.

Synonyms

Eudiastatus lingulatus was named by Ameghino (1891). It is not extant.

It was synonymized objectively with Protypotherium praerutilum by Fernández et al. (2023).
Protypotherium attenuatum was named by Ameghino (1887). It is not extant.

It was synonymized objectively with Protypotherium praerutilum by Fernández et al. (2023).
Protypotherium globosum was named by Ameghino (1891).

It was synonymized objectively with Protypotherium attenuatum by Sinclair (1909); it was synonymized objectively with Protypotherium praerutilum by Fernández et al. (2023).
Protypotherium convexidens was named by Ameghino (1891).

It was synonymized objectively with Protypotherium praerutilum by Sinclair (1909).
Protypotherium diversidens was named by Ameghino (1891). Its type specimen is MACN A 4052, a maxilla, and it is a 3D body fossil.

It was synonymized subjectively with Protypotherium attenuatum by Kramarz et al. (2015); it was synonymized objectively with Protypotherium praerutilum by Fernández et al. (2023).
Protypotherium lineare was named by Ameghino (1894). It is not extant.

It was synonymized objectively with Protypotherium australe by Sinclair (1909); it was synonymized objectively with Protypotherium praerutilum by Fernández et al. (2023).
Patriarchus rectus was named by Ameghino (1891).

It was recombined as Protypotherium rectus by Ameghino (1891) and Fernández et al. (2019); it was synonymized objectively with Protypotherium attenuatum by Sinclair (1909); it was synonymized objectively with Protypotherium praerutilum by Fernández et al. (2023).
Patriarchus diastematus was named by Ameghino (1891).

It was recombined as Protypotherium diastematus by Fernández et al. (2019); it was synonymized objectively with Protypotherium praerutilum by Fernández et al. (2023).
Patriarchus leptocephalus was named by Ameghino (1891).

It was recombined as Protypotherium leptocephalus by Ameghino (1891) and Fernández et al. (2019); it was synonymized objectively with Protypotherium praerutilum by Sinclair (1909) and Fernández et al. (2023).
Patriarchus icochiloides was named by Ameghino (1894).

It was recombined as Protypotherium icochiloides by Ameghino (1894) and Fernández et al. (2019); it was synonymized objectively with Protypotherium attenuatum by Sinclair (1909); it was synonymized objectively with Protypotherium praerutilum by Fernández et al. (2023).
Icochilus endiadys was named by Roth (1898).

It was recombined as Protypotherium endiadys by Vera et al. (2017); it was synonymized objectively with Protypotherium praerutilum by Fernández et al. (2023).

Synonymy list

Year	Name and author
1887	Protypotherium attenuatum Ameghino
1887	Protypotherium praerutilum Ameghino
1891	Eudiastatus lingulatus Ameghino
1891	Protypotherium leptocephalus Ameghino
1891	Protypotherium rectus Ameghino
1891	Protypotherium globosum Ameghino p. 5
1891	Protypotherium convexidens Ameghino p. 6
1891	Protypotherium diversidens Ameghino p. 6
1891	Patriarchus diastematus Ameghino p. 7
1891	Patriarchus leptocephalus Ameghino p. 7
1891	Patriarchus rectus Ameghino p. 7
1894	Protypotherium icochiloides Ameghino
1894	Eudiastatus lingulatus Ameghino p. 11
1894	Protypotherium attenuatum Ameghino p. 13
1894	Protypotherium convexidens Ameghino p. 13
1894	Protypotherium diversidens Ameghino p. 13
1894	Protypotherium globosum Ameghino p. 13
1894	Protypotherium lineare Ameghino p. 13
1894	Protypotherium praerutilum Ameghino p. 13
1894	Patriarchus diastematus Ameghino p. 14
1894	Patriarchus icochiloides Ameghino p. 14
1894	Patriarchus leptocephalus Ameghino p. 14
1894	Patriarchus rectus Ameghino p. 14
1898	Icochilus endiadys Roth p. 38
2017	Protypotherium endiadys Vera et al.
2019	Protypotherium diastematus Fernández et al.
2019	Protypotherium icochiloides Fernández et al.
2019	Protypotherium leptocephalus Fernández et al.
2019	Protypotherium rectus Fernández 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	()

Rank	Name	Author
infraorder	Cynodontia	()
—	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
family	Interatheriidae	(Ameghino 1887)
genus	Protypotherium	Ameghino 1882
species	praerutilum	Ameghino 1887

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.

†Protypotherium praerutilum Ameghino 1887

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Invalid names: Eudiastatus lingulatus Ameghino 1891 [objective synonym], Icochilus endiadys Roth 1898 [objective synonym], Patriarchus diastematus Ameghino 1891 [objective synonym], Patriarchus icochiloides Ameghino 1894 [objective synonym], Patriarchus leptocephalus Ameghino 1891 [objective synonym], Patriarchus rectus Ameghino 1891 [objective synonym], Protypotherium attenuatum Ameghino 1887 [objective synonym], Protypotherium convexidens Ameghino 1891 [objective synonym], Protypotherium diversidens Ameghino 1891 [objective synonym], Protypotherium globosum Ameghino 1891 [objective synonym], Protypotherium lineare Ameghino 1894 [objective synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Maximum body mass:

4.4 kgs

Minimum body mass:

4.4 kgs

Body mass estimate:

4.4 kg

Body mass source:

publisheds

Environment:

terrestrialsubc

Locomotion:

actively mobilec

Life habit:

scansorialsubc

Diet:

herbivoreo

Reproduction:

viviparoussubc

Created:

2013-04-14 01:32:00

Modified:

2013-04-13 10:32:00

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

References: Carroll 1988, Hendy et al. 2009, Ji et al. 2002, MacFadden et al. 1996, Vizcaíno et al. 2010, Lillegraven 1979

Age range: base of the Santacrucian to the top of the Tortonian or 17.50000 to 7.24600 Ma

Collections (34 total)

Time interval	Ma	Country or state	Original ID and collection number
Burdigalian - Langhian	20.44 - 13.82	Bolivia	Protypotherium attenuatum (91435)
Santacrucian	17.5 - 16.3	Argentina (Santa Cruz)	Protypotherium attenuatum (142529 176568 176590 176603 176636) Protypotherium praerutilum (87314 176570 176576 176585 176600 176601 176624 206239) Protypotherium praerutilum, Protypotherium attenuatum (142533 176599 176602 210637 210638 210786 210787)
Friasian	16.3 - 15.5	Chile (Aisén)	Protypotherium endiadys (139845)
Langhian	15.97 - 13.82	Argentina (Rio Negro)	Protypotherium endiadys (198569)
Colloncuran	15.5 - 13.8	Argentina (Chubut)	Protypotherium endiadys (198571)
Colloncuran	15.5 - 13.8	Argentina (Neuquén)	Protypotherium endiadys (141175 198564 198565)
Colloncuran	15.5 - 13.8	Argentina (Rio Negro)	Protypotherium endiadys (198566 198570 198572)
Colloncuran	15.5 - 13.8	Argentina (Río Negro)	Protypotherium endiadys (140691 198567 198568)
Tortonian	11.62 - 7.246	Argentina (Chubut)	Protypotherium endiadys (201907)