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Paleotomus senior
Taxonomy
Palaeosinopa senior was named by Simpson (1937). Its type specimen is AMNH 33990, a tooth (isolated m3), and it is not a trace fossil. Its type locality is Scarritt Quarry, which is in a Tiffanian terrestrial horizon in the Melville Formation of Montana.
It was recombined as Paleotomus senior by Van Valen (1967), Gingerich (1980), Krause and Gingerich (1983) and Scott et al. (2002).
It was recombined as Paleotomus senior by Van Valen (1967), Gingerich (1980), Krause and Gingerich (1983) and Scott et al. (2002).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1937 | Palaeosinopa senior Simpson |
| 1967 | Palaeosinopa simpsoni Van Valen |
| 1967 | Paleotomus senior Van Valen |
| 1967 | Palaeosinopa simpsoni Van Valen p. 222 |
| 1980 | Paleotomus senior Gingerich p. 449 |
| 1983 | Paleotomus senior Krause and Gingerich |
| 1990 | Palaeosinopa simpsoni Krause and Maas |
| 2002 | Paleotomus senior Scott et al. p. 702 |
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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.
†Paleotomus senior Simpson 1937
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Invalid names: Palaeosinopa simpsoni Van Valen 1967 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Lillegraven 1979, Kielan-Jaworowska et al. 2004, Carroll 1988, Ji et al. 2002 | |||||
Age range: base of the Tiffanian to the top of the Torrejonian or 61.70000 to 60.90000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Torrejonian | USA (Texas) | Paleotomus senior (14884) | |
| Ti1 | Canada (Alberta) | Paleotomus senior (14939) | |
| Tiffanian | USA (North Dakota) | Palaeosinopa simpsoni (14931) Paleotomus senior (15006) | |
| Tiffanian | USA (Montana) | Paleotomus senior (15025) Paleotomus senior, Palaeosinopa simpsoni (type locality: 15064) | |
| Tiffanian | USA (Wyoming) | Paleotomus senior (198265) |