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Ptenoceras
Taxonomy
Ptenoceras was named by Hyatt (1894) [Sepkoski's age data: D Sieg-u D Eife Sepkoski's reference number: 2,299].
It was assigned to Rutoceratidae by Teichert et al. (1964); and to Nautilida by Sepkoski (2002).
It was assigned to Rutoceratidae by Teichert et al. (1964); and to Nautilida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1894 | Ptenoceras Hyatt |
| 1964 | Ptenoceras Teichert et al. p. 420 |
| 2002 | Ptenoceras Sepkoski |
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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. †Ptenoceras Hyatt 1894
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Lochkovian to the top of the Pragian or 419.20000 to 407.60000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lochkovian | Czech Republic (Praha) | P. alatum (56880) | |
| Pragian | Czech Republic | P. alatum (172935) | |
| Pragian | Czech Republic (Bohemia) | P. alatum (104660 104794 172945) | |
| Early/Lower Emsian | Czech Republic (Praha) | P. alatum (70447) |