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Tremacyllus impressus
Taxonomy
Pachyrucos impressus was named by Ameghino (1888). Its type specimen is MACN A 1377, a partial skull (cranial fragment with both cheek tooth series), and it is a 3D body fossil.
It was recombined as Tremacyllus impressus by Ameghino (1891), Rovereto (1914), Cerdeno and Bond (1998) and Vera and Ercoli (2018).
It was recombined as Tremacyllus impressus by Ameghino (1891), Rovereto (1914), Cerdeno and Bond (1998) and Vera and Ercoli (2018).
Synonyms
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Synonymy list
Year | Name and author |
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1888 | Pachyrucos impressus Ameghino p. 13 |
1888 | Pachyrucos diminutus Ameghino p. 14 |
1891 | Tremacyllus diminutus Ameghino p. 241 |
1891 | Tremacyllus impressus Ameghino p. 241 |
1908 | Tremacyllus chapalmalensis Ameghino p. 422 |
1908 | Tremacyllus novus Ameghino p. 422 |
1914 | Tremacyllus diminutus Rovereto p. 117 |
1914 | Tremacyllus impressus Rovereto p. 117 |
1914 | Tremacyllus intermedius Rovereto p. 118 |
1914 | Tremacyllus chapalmalensis Rovereto p. 182 |
1914 | Tremacyllus novus Rovereto p. 183 |
1998 | Tremacyllus impressus Cerdeno and Bond p. 806 figs. 9, 10 |
2018 | Tremacyllus impressus Vera and Ercoli |
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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.
†Tremacyllus impressus Ameghino 1888
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Invalid names: Tremacyllus chapalmalensis Ameghino 1908 [synonym], Tremacyllus diminutus Ameghino 1888 [synonym], Tremacyllus intermedius Rovereto 1914 [synonym], Tremacyllus novus Ameghino 1908 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
References: Hendy et al. 2009, MacFadden et al. 1996, Ji et al. 2002, Lillegraven 1979, Carroll 1988 |
Collections (29 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Chasicoan - Huayquerian | Argentina (La Pampa) | Tremacyllus impressus (204494) | |
Huayquerian | Argentina (La Pampa) | Tremacyllus impressus (87198 140925 151498 151500 152061 152063 204598 206031) | |
Huayquerian | Argentina (Mendoza) | Tremacyllus impressus (200444 231327) | |
Huayquerian | Argentina (La Rioja) | Tremacyllus sp. (55596) | |
Huayquerian | Argentina (Buenos Aires) | Tremacyllus impressus (61292 61299) | |
Messinian | Argentina (La Pampa) | Tremacyllus impressus (141939 152067) | |
Messinian - Zanclean | Argentina (Mendoza) | Tremacyllus impressus (200118) | |
Zanclean | Argentina (Buenos Aires) | Tremacyllus impressus (191776) | |
Montehermosan | Argentina (Buenos Aires) | Tremacyllus impressus (152081 152084 152085 152087 152088 198863) | |
Chapadmalalan | Argentina (Córdoba) | Tremacyllus impressus (202212) | |
Chapadmalalan | Argentina (San Luis) | Tremacyllus impressus (152073) | |
Late/Upper Pliocene | Argentina (Cordoba) | Tremacyllus impressus (191133) | |
Piacenzian | Argentina (Córdoba) | Tremacyllus impressus (225604) | |
Lujanian | Argentina (Buenos Aires) | Tremacyllus impressus (202096) |