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Taxonomy
Theriodictis was named by Mercerat (1891). It is not extant.
It was reranked as Canis (Theriodictis) by Mercerat (1891).
It was assigned to Canis by Mercerat (1891); to Canidae by Carroll (1988); to Cerdocyonina by Wang et al. (2008), Tedford et al. (2009) and Ruiz-Ramoni et al. (2022); and to Caninae by Prevosti (2023).
It was reranked as Canis (Theriodictis) by Mercerat (1891).
It was assigned to Canis by Mercerat (1891); to Canidae by Carroll (1988); to Cerdocyonina by Wang et al. (2008), Tedford et al. (2009) and Ruiz-Ramoni et al. (2022); and to Caninae by Prevosti (2023).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1891 | Canis (Theriodictis) Mercerat |
| 1891 | Theriodictis Mercerat |
| 1898 | Dinocynops Ameghino |
| 1988 | Theriodictis Carroll |
| 2008 | Theriodictis Wang et al. |
| 2009 | Theriodictis Tedford et al. p. 88 |
| 2022 | Theriodictis Ruiz-Ramoni et al. p. 110 |
| 2023 | Theriodictis Prevosti |
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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. †Theriodictis Mercerat 1891
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†Theriodictis floridanus Tedford et al. 2009
†Theriodictis platensis Mercerat 1891
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Invalid names: Macrocyon morenoi Lydekker 1894 [synonym], Palaeocyon troglodytes Revilliod 1926 [synonym]
†Theriodictis tarijensis Ameghino 1902
Invalid names: Dinocynops Ameghino 1898 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. H. Tedford et al. 2009 | Fron- tal sinus penetrates postorbital process and extends to frontoparietal suture; deep zygo- ma with wide masseteric scar; palatines extend posteriorly beyond toothrow; M1– M2 hypocones reduced; M2 small relative to M1 with reduced metacone; coronoid process anteroposteriorly long, dorsoventrally low; angular process expanded dorsoventrally; large fossa for inferior branch of medial pterygoid; m1 lacks metaconid but retains small entoconid; m2 small relative to m1, lacking anterolabial cingulum, strong para- cristid and relatively unreduced metaconid. |