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Ptolemaiidae
Taxonomy
Ptolemaiidae was named by Osborn (1908).
It was assigned to Tupaioidea by Van Valen (1967); to Pantolesta by McKenna and Bell (1997); and to Ptolemaiida by Cote et al. (2007) and Gunnell et al. (2010).
It was assigned to Tupaioidea by Van Valen (1967); to Pantolesta by McKenna and Bell (1997); and to Ptolemaiida by Cote et al. (2007) and Gunnell et al. (2010).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1908 | Ptolemaiidae Osborn |
| 1967 | Ptolemaiidae Van Valen |
| 1997 | Ptolemaiidae McKenna and Bell |
| 2007 | Ptolemaiidae Cote et al. p. 5514 |
| 2010 | Ptolemaiidae Gunnell et al. p. 83 |
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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.
Fm. †Ptolemaiidae Osborn 1908
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G. †Cleopatrodon Bown and Simons 1987
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†Cleopatrodon ayeshae Bown and Simons 1987
†Cleopatrodon robusta Bown and Simons 1987
G. †Ptolemaia Osborn 1908
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†Ptolemaia grangeri Bown and Simons 1987
†Ptolemaia lyonsi Osborn 1908
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. Cote et al. 2007 | Metaconule present on P4; upper molars mesiodistally short and without mesial and distal cingula; bases of paracone and metacone fused on upper molars; postproto- crista of M1 and M2 do not meet with the metacone; no cristid obliqua on p4, but large hypoconid is present; mesiodistally short talonid basins on lower molars (m)1–m3; m3 paraconid closely situated to metaconid. |