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Ptychopteria (Actinopteria) problematica
Taxonomy
Ptychopteria (Actinopteria) problematica was named by Chen and Lan (1976).
Sister species lacking formal opinion data
Actinopteria adavalis, Actinopteria dakryodes, Actinopteria decussata, Actinopteria heathcotiensis, Actinopteria isabelae, Actinopteria mansuyi, Actinopteria meridionalis, Actinopteria murrindalensis, Actinopteria sowerbyi, Pteria texturata, P. fenestrata, P. musicata, P. pleuroptera, P. producta, P. spinosa, P. subdecussata, P. damnoniensis
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Ptychopteria (Actinopteria) problematica Chen and Lan p. 134 figs. Pl 11, fig 10 |
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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.
†Ptychopteria (Actinopteria) problematica Chen and Lan 1976
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009, Kiessling 2004 | |||||
Age range: base of the Wuchiapingian to the top of the Changhsingian or 259.90000 to 252.17000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | China (Guizhou) | Ptychopteria problematica (197494) | |
| Changhsingian | China (Guizhou) | Ptychopteria problematica (98029 108546) |