Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Tephrocyon confertus was named by Matthew (1918). Its type locality is Snake Creek Fauna, which is in a Barstovian/Clarendonian channel sandstone in Nebraska.
It was recombined as Tomarctus confertus by Matthew (1924), Green (1948), Hough (1948) and Downs (1956); it was recombined as Microtomarctus conferta by Wang et al. (1999) and Wang et al. (2008).
It was recombined as Tomarctus confertus by Matthew (1924), Green (1948), Hough (1948) and Downs (1956); it was recombined as Microtomarctus conferta by Wang et al. (1999) and Wang et al. (2008).
Synonyms
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Synonymy list
Year | Name and author |
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1918 | Tephrocyon confertus Matthew |
1924 | Tomarctus confertus Matthew |
1942 | Tomarctus paulus Henshaw |
1948 | Tomarctus confertus Green |
1948 | Tomarctus confertus Hough |
1956 | Tomarctus confertus Downs |
1999 | Microtomarctus conferta Wang et al. |
2008 | Microtomarctus conferta 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.
†Microtomarctus conferta Matthew 1918
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Invalid names: Tomarctus paulus Henshaw 1942 [synonym]
Diagnosis
Reference | Diagnosis | |
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P. C. Henshaw 1942 (Tomarctus paulus) | Size o:f Tomarctus confertus (Matthew). p4. elongate with protocone. set very :far :forward. Upper molars very wide transversely. Lower dentition di:f:fers :from T. confertus type in narrower with only moderately high cusps. M1 short, not compressed. M2 moderately long and narrow. |
Measurements
No measurements are available
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Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
References: Nowak 1991, Carroll 1988, Hendy et al. 2009, Ji et al. 2002, Lillegraven 1979 |
Age range: base of the Barstovian to the top of the Clarendonian or 16.30000 to 9.40000 Ma
Collections (35 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Hemingfordian | USA (Colorado) | Microtomarctus conferta (17908) | |
Late/Upper Hemingfordian | USA (New Mexico) | Microtomarctus conferta (19339 19410) | |
Barstovian | USA (New Mexico) | Microtomarctus conferta (19274 19449 19535) Tomarctus confertus (19520) | |
Barstovian | USA (Nevada) | Microtomarctus conferta (19014) Tomarctus paulus (19097) | |
Barstovian | USA (Colorado) | Microtomarctus conferta (18203) | |
Barstovian | USA (Texas) | Microtomarctus conferta (18631) | |
Barstovian | USA (California) | Microtomarctus conferta (19314 19356 19364 19366 19422 19432 19457 19458 19463 19548 19557 19615 19616) | |
Early/Lower Barstovian | USA (Nebraska) | Microtomarctus conferta (17904 17905 17955 17972 18011 18019) Tomarctus confertus (17911) | |
Early/Lower Barstovian | USA (New Mexico) | Tomarctus confertus (19547) | |
Early/Lower Barstovian - early Late Barstovian | USA (California) | Microtomarctus conferta (156738) | |
Barstovian - Clarendonian | USA (Nebraska) | Tephrocyon confertus (230906) | |
Late/Upper Miocene | USA (Colorado) | Tomarctus paula (18846) |