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Tisisthenes
Taxonomy
Tisisthenes was named by Martin (1973).
It was assigned to Mustelinae by Kurten and Anderson (1980); and to Mustelidae by Martin (1973) and Carroll (1988).
It was assigned to Mustelinae by Kurten and Anderson (1980); and to Mustelidae by Martin (1973) and Carroll (1988).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1973 | Tisisthenes Martin p. 924 |
| 1980 | Tisisthenes Kurten and Anderson p. 153 |
| 1988 | Tisisthenes Carroll |
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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
| Reference | Diagnosis | |
|---|---|---|
| R. A. Martin 1973 | Tisisthenes parvus is a small, short-faced weasel with dental formula ?/?, 1/1, 3/2, 1/1. The first upper molar is without a metacone and separate metacone root. The infraorbitalforamen is small and anteriorly directed. The dorsal border of the foramen is stout and short. A deep fossa is developed in the orbit directly behind the posterior edge of the infraorbitalcanal. The dentary is shallow. The mental foramina are small. |
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Lillegraven 1979, Carroll 1988, Nowak 1991, Ji et al. 2002, Hendy et al. 2009 | |||||
Age range: Irvingtonian or 1.80000 to 0.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Irvingtonian | USA (South Dakota) | T. parvus (20389) |