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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Jepsenella
Taxonomy
Jepsenella was named by Simpson (1940). It is not extant. Its type is Jepsenella praepropera.
It was assigned to Apatemyinae by Van Valen (1967); and to Apatemyidae by Simpson (1940), Hooker (1986), Gunnell (1989), McKenna and Bell (1997), Silcox et al. (2010).
It was assigned to Apatemyinae by Van Valen (1967); and to Apatemyidae by Simpson (1940), Hooker (1986), Gunnell (1989), McKenna and Bell (1997), Silcox et al. (2010).
Species
J. praepropera (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1940 | Jepsenella Simpson p. 186 |
| 1967 | Jepsenella Van Valen |
| 1986 | Jepsenella Hooker p. 327 |
| 1989 | Jepsenella Gunnell p. 147 |
| 1997 | Jepsenella McKenna and Bell |
| 2010 | Jepsenella Silcox 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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subp = subphylum, p = phylum | |||||
| References: Carroll 1988, Tanaka and Taruno 2019, Kiessling 2004, Ji et al. 2002 | |||||
Age range: base of the Torrejonian to the top of the Ti1 or 63.80000 to 56.20000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| To2 | Canada (Alberta) | J. praepropera (14894) | |
| Torrejonian | USA (Wyoming) | J. praepropera (14886 14898 14912) | |
| Torrejonian | USA (Montana) | J. praepropera (14906) | |
| Torrejonian | USA (Texas) | J. sp. (14956) | |
| Ti1 | Canada (Alberta) | J. praepropera (14939) |