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Nematherium
Taxonomy
Nematherium was named by Ameghino (1887). It is not extant.
It was assigned to Scelidotheridae by Ameghino (1891); to Scelidotheriidae by Ameghino (1894); to Nematheriinae by Kramarz et al. (2010); and to Mylodontidae by Carroll (1988), Varela et al. (2019) and Boscaini et al. (2019).
It was assigned to Scelidotheridae by Ameghino (1891); to Scelidotheriidae by Ameghino (1894); to Nematheriinae by Kramarz et al. (2010); and to Mylodontidae by Carroll (1988), Varela et al. (2019) and Boscaini et al. (2019).
Synonymy list
| Year | Name and author |
|---|---|
| 1887 | Nematherium Ameghino |
| 1891 | Nematherium Ameghino p. 38 |
| 1894 | Nematherium Ameghino p. 165 |
| 1988 | Nematherium Carroll |
| 2010 | Nematherium Kramarz et al. |
| 2019 | Nematherium Boscaini et al. |
| 2019 | Nematherium Varela et al. |
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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. †Nematherium Ameghino 1887
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†Nematherium angulatum Ameghino 1887
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Invalid names: Nematherium sinuatum Ameghino 1887 [synonym]
†Nematherium auca Ameghino 1891
†Nematherium birdi Simpson 1941
†Nematherium declivum Ameghino 1894
†Nematherium longirostris Ameghino 1891
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Invalid names: Nematherium lavagnanum Mercerat 1891 [synonym]
†Nematherium profundatum Ameghino 1891
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Ji et al. 2002, Carroll 1988, Lillegraven 1979, Hendy et al. 2009, Nowak 1999 | |||||
Age range: base of the Santacrucian to the top of the Laventan or 17.50000 to 11.00000 Ma
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Burdigalian | Chile (Bío Bío) | N. angulatum (140103) | |
| Burdigalian | Argentina (Santa Cruz) | N. sp. (59319 59320 59321) | |
| Burdigalian | Argentina (Chubut) | N. sp. (176205) | |
| Santacrucian | Argentina (Santa Cruz) | N. longirostris (210638) N. sp. (142533 176575 176581 176591 176599 176601 176602) | |
| Santacrucian | Chile (Magallanes) | N. birdi (139877) | |
| Laventan | Colombia (Huila) | Neonematherium sp. (133693) |