PBDB Taxon

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

Nematherium longirostris

Mammalia - Mylodontidae

Taxonomy

Nematherium longirostris was named by Ameghino (1891).

Synonyms

Nematherium lavagnanum was named by Mercerat (1891).

It was synonymized subjectively with Nematherium longirostris by Ameghino (1894).

Synonymy list

Year	Name and author
1891	Nematherium longirostris Ameghino p. 38
1891	Nematherium lavagnanum Mercerat
1894	Nematherium longirostris Ameghino p. 166

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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
—	Americatheria
—	Xenarthra	()
infraorder	Pilosa	Flower 1883
—	Folivora
class	Eufolivora	Delsuc et al. 2001
family	Mylodontidae	Ameghino 1889
genus	Nematherium	Ameghino 1887
species	longirostris

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.

†Nematherium longirostris Ameghino 1891

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Invalid names: Nematherium lavagnanum Mercerat 1891 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialsubc

Locomotion:

actively mobilec

Life habit:

ground dwellingf

Diet:

herbivoref

Reproduction:

viviparoussubc

Created:

2005-08-22 16:27:29

Modified:

2005-08-22 18:30:22

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

References: Ji et al. 2002, Hendy et al. 2009, Nowak 1999, Carroll 1988, Lillegraven 1979

Age range: Santacrucian or 17.50000 to 16.30000 Ma

Collections: one only

Time interval	Ma	Country or state	Original ID and collection number
Santacrucian	17.5 - 16.3	Argentina (Santa Cruz)	Nematherium longirostris (210638)