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Taxonomy
Eosteiromys was named by Ameghino (1902).
It was assigned to Steiromyinae by Ameghino (1902); to Erethizontidae by Patterson (1958), McKenna and Bell (1997), Kramarz et al. (2010) and Vucetich et al. (2010); and to Erethizontoidea by Arnal and Vucetich (2015).
It was assigned to Steiromyinae by Ameghino (1902); to Erethizontidae by Patterson (1958), McKenna and Bell (1997), Kramarz et al. (2010) and Vucetich et al. (2010); and to Erethizontoidea by Arnal and Vucetich (2015).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1902 | Eosteiromys Ameghino p. 112 |
| 1958 | Eosteiromys Patterson |
| 1997 | Eosteiromys McKenna and Bell |
| 2010 | Eosteiromys Kramarz et al. |
| 2010 | Eosteiromys Vucetich et al. |
| 2015 | Eosteiromys Arnal and Vucetich |
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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. †Eosteiromys Ameghino 1902
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†Eosteiromys annectens Ameghino 1901
†Eosteiromys homogenidens Ameghino 1902
†Eosteiromys segregatus Ameghino 1902
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Ji et al. 2002, Lillegraven 1979, Nowak 1999, Hendy et al. 2009 | |||||
Age range: base of the Burdigalian to the top of the Colhuehuapian or 20.44000 to 17.50000 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Colhuehuapian | Argentina (Neuquén) | E. n. sp. (89027) E. sp. (89030) | |
| Colhuehuapian | Argentina (Chubut) | E. n. sp., E. homogenidens (145897) E. sp. (197191) E. sp., E. homogenidens, E. segregatus (27311 141368) | |
| Burdigalian | Argentina (Santa Cruz) | E. annectens (59133 59320 59322 59325 59326) E. homogenidens (59323) E. homogenidens, E. annectens (59319 59321) | |
| Burdigalian | Chile (Aisén) | E. annectens (71843) | |
| Burdigalian | Argentina (Chubut) | E. sp. (176205) |