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

Eosteiromys annectens

Mammalia - Rodentia

Taxonomy
Steiromys annectens was named by Ameghino (1901). It is not extant. Its type specimen is MACN A 52-606, right mandibular fragment with m1, roots and small part of the cr, a mandible.

It was recombined as Eosteiromys annectens by Kramarz (2004), Kramarz (2004).

Synonymy list
YearName and author
1899Steiromys annectens Ameghino
1901Steiromys annectens Ameghino pp. 207-208 fig. 6
2004Eosteiromys annectens Kramarz pp. 207-208 fig. 6

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
RankNameAuthor
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
—CtenohystricaHuchon et al. 2000
infraorderHystricognathi(Tullberg 1899)
—Caviomorpha(Wood and Patterson 1955)
superfamilyErethizontoideaBonaparte 1845
genusEosteiromys
speciesannectens(Ameghino 1901)

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.

†Eosteiromys annectens Ameghino 1901
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingo
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2005-08-26 14:04:46
Modified: 2005-08-26 16:04:46
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Lillegraven 1979, Ji et al. 2002, Hendy et al. 2009, Nowak 1999

Age range: Burdigalian or 20.45000 to 15.98000 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Burdigalian20.45 - 15.98Chile (Aisén) Eosteiromys annectens (71843)
Burdigalian20.45 - 15.98Argentina (Santa Cruz) Eosteiromys annectens (59133 59319 59320 59321 59322 59325 59326)