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Ptyktoptychion
Taxonomy
Ptyktoptychion was named by Lees (1986) [Sepkoski's age data: K Albi Sepkoski's reference number: 863]. It is not extant.
It was assigned to Holocephali by Sepkoski (2002); and to Callorhynchinae by Bartholomai (2008).
It was assigned to Holocephali by Sepkoski (2002); and to Callorhynchinae by Bartholomai (2008).
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Ptyktoptychion Lees |
| 2002 | Ptyktoptychion Sepkoski |
| 2008 | Ptyktoptychion Bartholomai p. 50 |
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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. †Ptyktoptychion Lees 1986
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†Ptyktoptychion tayyo Lees 1986
†Ptyktoptychion wadeae Bartholomai 2008
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Carroll 1988, Wagner 2023, Hendy et al. 2009 | |||||
Age range: Late/Upper Albian or 105.30000 to 99.60000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian | Australia (Queensland) | P. tayyo (64807 85237) P. wadeae (64811 83752 122712) |