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Mixotoxodon
Taxonomy
Mixotoxodon was named by Van Frank (1957). Its type is Mixotoxodon larensis.
It was assigned to Toxodontinae by Van Frank (1957); and to Toxodontidae by Frank (1957), Cifelli and Schaff (1998).
It was assigned to Toxodontinae by Van Frank (1957); and to Toxodontidae by Frank (1957), Cifelli and Schaff (1998).
Species
M. larensis (type species)
Entered
by J. Alroy on 2003-01-23; modified by M. Vallejo on 2013-10-27
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Mixotoxodon Frank |
| 1957 | Mixotoxodon Van Frank |
| 1998 | Mixotoxodon Cifelli and Schaff |
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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. Van Frank 1957 | As for the type species |
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| Coronoid process height | 1 | 335.0 | - | - | - | - | |
| Lower I1 height | 1 | 23.0 | - | - | - | - | |
| Lower I2 height | 1 | 22.0 | - | - | - | - | |
| Lower I3 height | 2 | 14.4 | 13.0 | 16.0 | 14.5 | 2.12 | |
| Lower m3 height | 2 | 157.0 | 154.0 | 160.0 | 157.0 | 4.24 |
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| Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Ji et al. 2002, Hendy et al. 2009, MacFadden et al. 1996, Lillegraven 1979 | |||||
Age range: base of the Irvingtonian to the top of the Late/Upper Pleistocene or 1.40000 to 0.01170 Ma
Collections (26 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Blancan - Irvingtonian | El Salvador | M. larensis (70118) | |
| Late/Upper Pliocene - Early/Lower Pleistocene | Venezuela (Monagas) | M. larensis (144977) | |
| Early/Lower Pleistocene - Middle Pleistocene | El Salvador | M. sp. (20152) | |
| Pleistocene | Venezuela (Lara) | M. larensis (145703 145704) | |
| Pleistocene | Nicaragua | Toxodon burmeisteri (86959) | |
| Pleistocene | Costa Rica (Alajuela) | M. larensis (192088) | |
| Pleistocene | Venezuela (Falcon) | M. larensis (63884) | |
| Pleistocene | Bolivia | M. sp. (71321) | |
| Pleistocene | Mexico (Veracruz) | M. larensis (192087) | |
| Irvingtonian | Panama | Toxodon sp. (20395) | |
| Late/Upper Pleistocene | Honduras (Copan) | M. larensis (230462) | |
| Late/Upper Pleistocene | Guatemala (Guatemala City) | M. larensis (71294) | |
| Late/Upper Pleistocene | Guatemala (Chiquimula) | M. larensis (212606) | |
| Late/Upper Pleistocene | Nicaragua | M. larensis (71267) | |
| Late/Upper Pleistocene | Guatemala (El Petén) | M. larensis (189383) | |
| Late/Upper Pleistocene | Mexico (Tamaulipas) | M. larensis (213632) | |
| Late/Upper Pleistocene | Argentina (Santiago del Estero) | M. larensis (192106) | |
| Late/Upper Pleistocene | Panama (Herrera) | M. larensis (71278) | |
| Late/Upper Pleistocene | Honduras | M. larensis (190753) | |
| Late/Upper Pleistocene | USA (Texas) | M. sp. (145380) | |
| Late/Upper Pleistocene | El Salvador | M. larensis (190752) | |
| Late/Upper Pleistocene | Guatemala (Santa Rosa) | M. larensis (212616) | |
| Late/Upper Pleistocene (high glacial) | Venezuela (Zulia) | M. larensis (63515) | |
| Late/Upper Pleistocene | Colombia (Magdalena) | M. larensis (145511) | |
| Late/Upper Pleistocene | Guatemala ( Zacapa) | M. larensis (189381) |