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Ptolemaia
Taxonomy
Ptolemaia was named by Osborn (1908). It is considered to be a form taxon.
It was assigned to Ptolemaiidae by Osborn (1908), Van Valen (1967), McKenna and Bell (1997) and Gunnell et al. (2010).
It was assigned to Ptolemaiidae by Osborn (1908), Van Valen (1967), McKenna and Bell (1997) and Gunnell et al. (2010).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1908 | Ptolemaia Osborn |
| 1967 | Ptolemaia Van Valen |
| 1997 | Ptolemaia McKenna and Bell |
| 2010 | Ptolemaia 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.
G. †Ptolemaia Osborn 1908
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†Ptolemaia grangeri Bown and Simons 1987
†Ptolemaia lyonsi Osborn 1908
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Hopson 1973, Luo et al. 2003, Carroll 1988 | |||||