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Taxonomy
Microtomarctus was named by Wang et al. (1999).
It was assigned to Borophagini by Wang et al. (1999); and to Cynarctina by Wang et al. (2008).
It was assigned to Borophagini by Wang et al. (1999); and to Cynarctina by Wang et al. (2008).
Synonymy list
| Year | Name and author |
|---|---|
| 1999 | Microtomarctus Wang et al. p. 140 |
| 2008 | Microtomarctus Wang 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.
G. †Microtomarctus Wang et al. 1999
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Ji et al. 2002, Lillegraven 1979, Carroll 1988, Hendy et al. 2009, Nowak 1991 | |||||
Age range: base of the Hemingfordian to the top of the Clarendonian or 18.50000 to 9.40000 Ma
Collections (35 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Hemingfordian | USA (Colorado) | M. conferta (17908) | |
| Late/Upper Hemingfordian | USA (New Mexico) | M. conferta (19339 19410) | |
| Barstovian | USA (Texas) | M. conferta (18631) | |
| Barstovian | USA (New Mexico) | M. conferta (19274 19449 19535) Tomarctus confertus (19520) | |
| Barstovian | USA (Nevada) | M. conferta (19014) Tomarctus paulus (19097) | |
| Barstovian | USA (Colorado) | M. conferta (18203) | |
| Barstovian | USA (California) | M. conferta (19314 19356 19364 19366 19422 19432 19457 19458 19463 19548 19557 19615 19616) | |
| Early/Lower Barstovian | USA (New Mexico) | Tomarctus confertus (19547) | |
| Early/Lower Barstovian | USA (Nebraska) | M. conferta (17904 17905 17955 17972 18011 18019) Tomarctus confertus (17911) | |
| Early/Lower Barstovian - early Late Barstovian | USA (California) | M. conferta (156738) | |
| Barstovian - Clarendonian | USA (Nebraska) | Tephrocyon confertus (230906) | |
| Late/Upper Miocene | USA (Colorado) | Tomarctus paula (18846) |