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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Afromastodon
Taxonomy
Afromastodon was named by Pickford (2003).
It was assigned to Gomphotheriidae by Pickford (2003); to Amebelodontinae by Sanders et al. (2010); and to Amebelodontidae by Wang et al. (2017).
It was assigned to Gomphotheriidae by Pickford (2003); to Amebelodontinae by Sanders et al. (2010); and to Amebelodontidae by Wang et al. (2017).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2003 | Afromastodon Pickford p. 210 figs. Pl. 10, Fig. 1-2 |
| 2010 | Afromastodon Sanders et al. p. 201 |
| 2017 | Afromastodon Wang et al. p. 611 |
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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 | |
|---|---|---|
| M. Pickford 2003 | Trilophodont bunodont gomphothere, lower tusks oval in section with no enamel cover, straight upper and lower third molars with only minor helicoidal longi- tudinal twist, well developed median sulcus in molars sepa- rating pretrite and posttrite complexes, third pretrite cusps in upper molars rotated so that the mesocone faces into the sec- ond transverse valley and the posterior conule lies between the main pretrite cusp and the posttrite cusp, occupying a position analogous to the mesocones of pretrites 1 and 2. One mesocone on pretrite cusps, two mesocones on posttrite cusps. Posttrite cusps without anterior and posterior conules. Zygodont crests on first posttrite cusps moderately developed, poorly developed on second and third posttrites. Sexually bimodal cheek teeth. |
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Lillegraven 1979, Ji et al. 2002, Carroll 1988, Hendy et al. 2009, Lambert and Shoshani 1998 | |||||
Age range: Middle Miocene or 15.97000 to 11.60800 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Miocene | Namibia | A. coppensi (21855) |