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Hypsosteiromys nectus
Taxonomy
Steiromys nectus was named by Ameghino (1902). Its type specimen is MACN A 52-172, a mandible (dext. with d4-m2), and it is a 3D body fossil. Its type locality is Gran Barranca - southern cliff of lake Colhué Huapí, which is in a Colhuehuapian terrestrial horizon in the Sarmiento Formation of Argentina.
It was synonymized subjectively with Hypsosteiromys axiculus by Patterson (1958); it was recombined as Hypsosteiromys nectus by Candela and Vucetich (2002), Vucetich et al. (2010).
It was synonymized subjectively with Hypsosteiromys axiculus by Patterson (1958); it was recombined as Hypsosteiromys nectus by Candela and Vucetich (2002), Vucetich et al. (2010).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1902 | Steiromys nectus Ameghino p. 111 |
| 1902 | Steiromys tabulatus Ameghino p. 111 |
| 2002 | Hypsosteiromys nectus Candela and Vucetich p. 155 |
| 2010 | Hypsosteiromys nectus Vucetich 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.
†Hypsosteiromys nectus Ameghino 1902
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Invalid names: Steiromys tabulatus Ameghino 1902 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. A. Candela and M.G. Vucetich 2002 | H. nectus differs from H. axiculus in the lesser development of the anterolabial notches of the m1-3, shallower posteroflexids and smaller DAP of p4 and dp4, and smaller DT of the incisor. |