| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Leucokephalos was named by Vucetich et al. (2015). Its type is Leucokephalos zeffiae.
It was assigned to Octodontoidea by Arnal and Vucetich (2015); and to Caviomorpha by Vucetich et al. (2015).
It was assigned to Octodontoidea by Arnal and Vucetich (2015); and to Caviomorpha by Vucetich et al. (2015).
Species
L. maior, L. zeffiae (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2015 | Leucokephalos Arnal and Vucetich |
| 2015 | Leucokephalos Vucetich 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.
G. †Leucokephalos Vucetich et al. 2015
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†Leucokephalos maior Kramarz et al. 2015
†Leucokephalos zeffiae Vucetich et al. 2015
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. Vucetich et al. 2015 | Small caviomorph; cheek teeth slightly hypsodont, tetralophodont when young turning to figure eight-shaped and even kidney-shaped when adult; normal replacement of the premolars; p4 tetralophodont, anterior wall straight with metalophulid I anteroposteriorly wide, separated from the protoconid in young individuals by a furrow on the anterior face; metalophulid II short, reaching up to half the width of the occlusal surface, shorter than in M. beatus and L. notuca, entoconid large as in M. beatus and L. notuca with well-developed hypolophid; m1–m2 with metalophulid II short; hypoflexid wide and long, reaching up to the middle of the occlusal surface width; posterolophid as long as the hypolophid; m3 reduced posteriorly; lower incisor long with its posterior end posterolateral to m3; large mental foramen slightly anterior to p4, diastema shallow. |
Measurements
No measurements are available
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| Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Nowak 1999, Lillegraven 1979, Carroll 1988, Ji et al. 2002, Hendy et al. 2009 | |||||
Age range: base of the Deseadan to the top of the Colhuehuapian or 29.00000 to 17.50000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Deseadan | Argentina (Chubut) | L. zeffiae (14211) | |
| Colhuehuapian | Argentina (Neuquén) | L. maior (89027 89028) |