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Primelephas
Taxonomy
Primelephas was named by Maglio (1970). It is not extant.
It was assigned to Elephantidae by Carroll (1988); to Elephantini by McKenna and Bell (1997); and to Elephantinae by Maglio (1970), Maglio (1973), Shoshani and Tassy (1996), Shoshani and Tassy (2005), Mackaye et al. (2008).
It was assigned to Elephantidae by Carroll (1988); to Elephantini by McKenna and Bell (1997); and to Elephantinae by Maglio (1970), Maglio (1973), Shoshani and Tassy (1996), Shoshani and Tassy (2005), Mackaye et al. (2008).
Synonymy list
| Year | Name and author |
|---|---|
| 1970 | Primelephas Maglio |
| 1973 | Primelephas Maglio |
| 1988 | Primelephas Carroll |
| 1996 | Primelephas Shoshani and Tassy p. 352 |
| 1997 | Primelephas McKenna and Bell p. 504 |
| 2005 | Primelephas Shoshani and Tassy p. 10 figs. Table 2 |
| 2008 | Primelephas Mackaye et al. p. 229 |
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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. †Primelephas Maglio 1970
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†Primelephas korotorensis Coppens 1965
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Invalid names: Primelephas gomphotheroides Maglio 1970 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| V. J. Maglio 1970 | Molars very low crowned, the height being one half to three-fourths of the width; the median cleft lacking, but strong grooves superficially dividing the plates into prominent columns; plates wear as complete enamel loops; plates triangular in longitudinal section, wider toward the root; transverse valleys open to the base, but strongly V-shaped in cross-section; enamel 3-6 mm in thickness, not folded; lamellar frequency, 3-4. Cement abundant but usually not filling valleys completely. Mandible with very small but prominent incisors in some individuals, possibly males only; symphysis short. |
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Lillegraven 1979, Ji et al. 2002, Hendy et al. 2009, Nowak 1991 | |||||
Age range: base of the Messinian to the top of the Early/Lower Pliocene or 7.24600 to 3.60000 Ma
Collections (28 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Miocene - Pliocene | Uganda | P. gomphotheroides (22451) | |
| Tortonian - Messinian | Kenya | P. gomphotheroides (22241) | |
| Late/Upper Miocene - Early/Lower Pliocene | Chad | P. gomphotheroides (24181) | |
| Tortonian - Zanclean | Ethiopia | P. gomphotheroides (22139 22158 22162 22179) | |
| Tortonian - Zanclean | Kenya | P. gomphotheroides (22236) | |
| Messinian | Chad | P. korotorensis (125346 125347 125348) | |
| Messinian | Kenya | P. gomphotheroides (22274) P. sp. (22275 22316) | |
| Messinian - Zanclean | Tanzania | P. gomphotheroides (22042 22058 22062 22063) | |
| Messinian - Piacenzian | Kenya (Turkana District) | P. gomphotheroides (21332) | |
| Messinian - Piacenzian | Kenya | P. gomphotheroides (22237) | |
| Zanclean | Chad | P. korotorensis (96047 125349 125350 125351) | |
| Zanclean | Kenya | P. gomphotheroides (22277 22278) | |
| Pliocene | Chad | Stegodon korotorensis (92921) | |
| Zanclean - Pliocene | Kenya | P. gomphotheroides (22267) |