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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) and Cifelli and Schaff (1998).
It was assigned to Toxodontinae by Van Frank (1957); and to Toxodontidae by Frank (1957) and Cifelli and Schaff (1998).
Species
M. larensis (type species)
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: Lillegraven 1979, Hendy et al. 2009, Ji et al. 2002, MacFadden et al. 1996, Carroll 1988 | |||||
Age range: base of the Early/Lower Pleistocene to the top of the Late/Upper Pleistocene or 2.58800 to 0.01170 Ma
Collections (26 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Blancan | 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 | Costa Rica (Alajuela) | M. larensis (192088) | |
| Pleistocene | Bolivia | M. sp. (71321) | |
| Pleistocene | Nicaragua | Toxodon burmeisteri (86959) | |
| Pleistocene | Mexico (Veracruz) | M. larensis (192087) | |
| Pleistocene | Venezuela (Falcon) | M. larensis (63884) | |
| Pleistocene | Venezuela (Lara) | M. larensis (145703 145704) | |
| Irvingtonian | Panama | Toxodon sp. (20395) | |
| Late/Upper Pleistocene | Guatemala (Chiquimula) | M. larensis (212606) | |
| Late/Upper Pleistocene | Argentina (Santiago del Estero) | M. larensis (192106) | |
| Late/Upper Pleistocene | Panama (Herrera) | M. larensis (71278) | |
| Late/Upper Pleistocene | Guatemala (El Petén) | M. larensis (189383) | |
| Late/Upper Pleistocene | Mexico (Tamaulipas) | M. larensis (213632) | |
| Late/Upper Pleistocene | Nicaragua | M. larensis (71267) | |
| Late/Upper Pleistocene | Colombia (Magdalena) | M. larensis (145511) | |
| Late/Upper Pleistocene | USA (Texas) | M. sp. (145380) | |
| Late/Upper Pleistocene | Guatemala ( Zacapa) | M. larensis (189381) | |
| Late/Upper Pleistocene | El Salvador | M. larensis (190752) | |
| Late/Upper Pleistocene | Guatemala (Santa Rosa) | M. larensis (212616) | |
| Late/Upper Pleistocene | Honduras | M. larensis (190753) | |
| Late/Upper Pleistocene | Guatemala (Guatemala City) | M. larensis (71294) | |
| Late/Upper Pleistocene (high glacial) | Venezuela (Zulia) | M. larensis (63515) | |
| Late/Upper Pleistocene | Honduras (Copan) | M. larensis (230462) |