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Microsyops angustidens
Taxonomy
Cynodontomys angustidens was named by Matthew (1915). Its type specimen is A.M.N.H. No. 15073, a mandible (fragmentary left mandible with P3-M3 and fragment of right mandible with P4-M2), and it is a 3D body fossil. Its type locality is Microsyops angustidens type locality, which is in a Wasatchian terrestrial horizon in the Willwood Formation of Wyoming.
It was recombined as Microsyops angustidens by Szalay (1969), Gunnell (1985) and Gunnell (1989).
It was recombined as Microsyops angustidens by Szalay (1969), Gunnell (1985) and Gunnell (1989).
Synonyms
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Synonymy list
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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.
†Microsyops angustidens Matthew 1915
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Invalid names: Cynodontomys alfi McKenna 1960 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
References: Lillegraven 1979, Ji et al. 2002, Nowak 1999, Carroll 1988, Hendy et al. 2009 |
Age range: base of the Graybullian to the top of the Early/Lower Eocene or 55.80000 to 48.60000 Ma
Collections (42 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Graybullian | USA (Wyoming) | Microsyops angustidens (15701) | |
Wasatchian | USA (Wyoming) | Cynodontomys angustidens (15455 15656 15723) Microsyops angustidens (15573 15577 15692 15694 15702 15703 15707 15769 15778 15785 15803 15805 15806 15807 15811 15814 46707 46749 46767 46776 46820 46843 type locality: 88209) | |
Wasatchian | USA (New Mexico) | Microsyops angustidens (15663) | |
Wasatchian | USA (Colorado) | Cynodontomys alfi (15450 15480 15660 15725 15845 15865 15870 15887) Microsyops angustidens (15357) Microsyops wilsoni (15223 15280) | |
Wasatchian | USA (North Dakota) | Cynodontomys angustidens (15895) | |
Early/Lower Eocene | USA (Wyoming) | Microsyops angustidens (15700) | |
Bridgerian | USA (Wyoming) | Microsyops alfi (16280) |