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Thylacosmilus
Taxonomy
Thylacosmilus was named by Riggs (1933). It is not extant. Its type is Thylacosmilus atrox. It is the type genus of Thylacosmilidae. It was considered monophyletic by Suarez et al. (2023).
It was assigned to Thylacosmilinae by Riggs (1933); to Thylacosmilinae by Engelman et al. (2020); and to Thylacosmilidae by de Muizon (1994), McKenna and Bell (1997), de Muizon (1999), Forasiepi et al. (2019) and Suarez et al. (2023).
It was assigned to Thylacosmilinae by Riggs (1933); to Thylacosmilinae by Engelman et al. (2020); and to Thylacosmilidae by de Muizon (1994), McKenna and Bell (1997), de Muizon (1999), Forasiepi et al. (2019) and Suarez et al. (2023).
Species
T. atrox (syn. Achlysictis lelongi, T. lentis) (type species)
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1891 | Achlysictis Ameghino |
| 1908 | Hyaenodontops Ameghino |
| 1933 | Thylacosmilus Riggs |
| 1960 | Notosmilus Kraglievich |
| 1994 | Thylacosmilus de Muizon |
| 1997 | Achlysictis McKenna and Bell |
| 1997 | Hyaenodontops McKenna and Bell |
| 1997 | Notosmilus McKenna and Bell |
| 1997 | Thylacosmilus McKenna and Bell |
| 1999 | Thylacosmilus de Muizon p. 507 |
| 2019 | Thylacosmilus Forasiepi et al. |
| 2020 | Thylacosmilus Engelman et al. |
| 2023 | Thylacosmilus Suarez 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. †Thylacosmilus Riggs 1933
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†Thylacosmilus atrox Riggs 1933
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Invalid names: Achlysictis lelongi Ameghino 1891 [synonym], Thylacosmilus lentis Riggs 1933 [synonym]
Invalid names: Achlysictis Ameghino 1891 [synonym], Hyaenodontops Ameghino 1908 [synonym], Notosmilus Kraglievich 1960 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009, Clemens 1979, Goin 1997, Lillegraven 1979 | |||||
Age range: base of the Messinian to the top of the Chapadmalalan or 7.24600 to 3.00000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Huayquerian | Argentina (La Pampa) | Achlysictis lelongi (87198 151500) | |
| Huayquerian | Argentina (Entre Rios) | Achlysictis lelongi (55600) | |
| Huayquerian - Montehermosan | Argentina (Catamarca) | T. atrox, T. lentis (206027) T. lentis (203948) | |
| Messinian | Argentina (La Pampa) | Achlysictis lelongi, T. atrox (140932) | |
| Montehermosan | Argentina (Buenos Aires) | Achlysictis lelongi (198863) | |
| Montehermosan - Chapadmalalan | Argentina (Catamarca) | Achlysictis atrox (157795) | |
| Chapadmalalan | Argentina (Buenos Aires) | T. atrox (206598) | |
| Late/Upper Pliocene | Argentina (Cordoba) | Achlysictis lelongi (191133) |