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Pterocodon
Taxonomy
Pterocodon was named by Ehrenberg (1847) [Sepkoski's age data: T Than R Sepkoski's reference number: 686]. Its type is Pterocodon campana. It was considered unknown by Ehrenberg (1847).
It was assigned to Theocotylidae by Ehrenberg (1847); and to Nassellaria by Sepkoski (2002).
It was assigned to Theocotylidae by Ehrenberg (1847); and to Nassellaria by Sepkoski (2002).
Species
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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. †Pterocodon Ehrenberg 1847
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†Pterocodon ampla Brandt in Wetzel 1935
†Pterocodon anteclinata Foreman 1975
Pterocodon campana Ehrenberg 1847
†Pterocodon poculum Nishimura 1992
†Pterocodon tenellus Foreman 1973
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. G. Ehrenberg 1847 | Test segmented by two or more strictures. Body not narrowed at posterior end. Appendages produced from the second segment, in the form of wings |
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range
Maximum range based only on fossils: base of the Thanetian to the top of the Ypresian or 59.20000 to 47.80000 Ma
Minimum age of oldest fossil (stem group age): 56.0 Ma
Minimum age of oldest fossil (stem group age): 56.0 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Thanetian | Cyprus | P. ampla, P. poculum, P. tenellus (90895) | |
| Ypresian | Cyprus | P. ampla (90893) |