Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Megatylopus matthewi was named by Webb (1965). Its type specimen is UCM 31100, a partial skeleton (slightly crushed cranium and assorted skeletal fragments), and it is a 3D body fossil. Its type locality is Coffee Ranch, which is in a Hemphillian terrestrial horizon in Texas.
Synonymy list
Year | Name and author |
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1965 | Megatylopus matthewi Webb p. 42 figs. 20, 21 |
1998 | Megatylopus matthewi Honey et al. p. 451 |
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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.
†Megatylopus matthewi Webb 1965
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Diagnosis
Reference | Diagnosis | |
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S. D. Webb 1965 | P3 reduced, with fused roots; complete internal crescent on P3; relatively large Pl; very deep maxillary fossa. |
Measurements
No measurements are available
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Source: g = genus, f = family, o = order, subc = subclass, c = class, subp = subphylum | |||||
References: Hendy et al. 2009, Lillegraven 1979, Nowak 1991, MacFadden and Cerling 1996, Nowak 1999, Carroll 1988 |
Age range: base of the Hemphillian to the top of the Late/Upper Miocene or 10.30000 to 5.33300 Ma
Collections (18 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Miocene | USA (New Mexico) | Megatylopus matthewi (19424) | |
Hemphillian | USA (Oklahoma) | Megatylopus gigas (18304) | |
Hemphillian | Mexico (Guanajuato) | Megatylopus matthewi (18718 175257) | |
Hemphillian | USA (Kansas) | Megatylopus matthewi (18342) | |
Hemphillian | Mexico (Jalisco) | Megatylopus matthewi (189788 189790) | |
Hemphillian | Mexico (Zacatecas) | Megatylopus matthewi (212341) | |
Hemphillian | Mexico (Hidalgo) | Megatylopus matthewi (212307) | |
Hemphillian | USA (New Mexico) | Megatylopus matthewi (19288 19533) | |
Hemphillian | USA (Texas) | Megatylopus matthewi (18073 type locality: 18097) | |
Late/Upper Hemphillian | USA (Arizona) | Megatylopus matthewi (19612) | |
Late/Upper Hemphillian | USA (California) | Megatylopus matthewi (19604) | |
Late/Upper Hemphillian | Mexico (Guanajuato) | Megatylopus matthewi (18713 18737) Megatylopus sp. (18740) |