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Filikomys primaevus
Taxonomy
Ptilodus primaevus was named by Lambe (1902). Its type specimen is NMC 1890, a mandible (right mandible with p4m1), and it is a 3D body fossil. Its type locality is 6.4 km below mouth of Berry Creek, which is in a Judithian terrestrial horizon in the Oldman Formation of Canada. It is the type species of Filikomys.
It was recombined as Cimolomys primaevus by Simpson (1929) and Russell (1952); it was recombined as Mesodma primaeva by Clemens (1964), Sahni (1972), Clemens and Kielan-Jaworowska (1979), Lillegraven and McKenna (1986), Montellano (1992) and Kielan-Jaworowska et al. (2004); it was recombined as Filikomys primaevus by Weaver et al. (2020).
It was recombined as Cimolomys primaevus by Simpson (1929) and Russell (1952); it was recombined as Mesodma primaeva by Clemens (1964), Sahni (1972), Clemens and Kielan-Jaworowska (1979), Lillegraven and McKenna (1986), Montellano (1992) and Kielan-Jaworowska et al. (2004); it was recombined as Filikomys primaevus by Weaver et al. (2020).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1902 | Ptilodus primaevus Lambe p. 79 |
| 1929 | Cimolomys primaevus Simpson p. 114 |
| 1930 | Ptilodus primaevus Hay p. 380 |
| 1952 | Cimolomys primaevus Russell |
| 1964 | Mesodma primaeva Clemens |
| 1972 | Mesodma primaeva Sahni |
| 1979 | Mesodma primaeva Clemens and Kielan-Jaworowska p. 101 |
| 1986 | Mesodma primaeva Lillegraven and McKenna p. 17 |
| 1992 | Mesodma primaeva Montellano |
| 2002 | Mesodma archibaldi Eaton |
| 2004 | Mesodma primaeva Kielan-Jaworowska et al. pp. 255, 334-335 |
| 2020 | Filikomys primaevus Weaver 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.
†Filikomys primaevus Lambe 1902
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Invalid names: Mesodma archibaldi Eaton 2002 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subo = suborder, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Gunnell et al. 1995, Carroll 1988, Krause 1982, Hopson 1973 | |||||
Age range: Judithian or 83.50000 to 70.60000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Judithian | Canada (Alberta) | Mesodma primaeva (14451) Ptilodus primaevus (type locality: 14485) | |
| Judithian | USA (Wyoming) | Mesodma primaeva (14433 14458) | |
| Late/Upper Campanian | Canada (Alberta) | Mesodma primaeva (45897 45899) | |
| Middle Campanian | USA (Montana) | Cimexomys judithae (14453) Mesodma primaeva (14482) | |
| Middle Campanian | Canada (Alberta) | Mesodma primaeva (45820) | |
| Middle Campanian - Late/Upper Campanian | USA (Montana) | Mesodma primaeva (14446 14450 14461 14470) |