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Pteruchus
Taxonomy
Pteruchus was named by Thomas (1933). It is not extant.
It was assigned to Pteridospermophyta by Andrews (1970); to Umkomasiaceae by Meyen (1984); and to Corystospermaceae by Jain and Delevoryas (1967), Chandra and Tewari (1991), Cantrill et al. (1995) and Chatterjee et al. (2013).
It was assigned to Pteridospermophyta by Andrews (1970); to Umkomasiaceae by Meyen (1984); and to Corystospermaceae by Jain and Delevoryas (1967), Chandra and Tewari (1991), Cantrill et al. (1995) and Chatterjee et al. (2013).
Synonymy list
| Year | Name and author |
|---|---|
| 1933 | Pteruchus Thomas |
| 1967 | Pteruchus Jain and Delevoryas |
| 1970 | Pteruchus Andrews |
| 1984 | Pteruchus Meyen p. 89 |
| 1991 | Pteruchus Chandra and Tewari |
| 1995 | Pteruchus Cantrill et al. |
| 2013 | Pteruchus Chatterjee et al. |
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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. †Pteruchus Thomas 1933
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†Pteruchus dubius Thomas 1933
†Pteruchus gopadensis Pant and Basu 1979
†Pteruchus indicus Pant and Basu 1973
†Pteruchus johnstonii Feistmantel 1890
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Invalid names: Pteruchus africanus Thomas 1933 [synonym], Stachyopitys annularioides Shirley 1898 [synonym]
†Pteruchus nidpurensis Srivastava 1975
†Pteruchus rhaetica Geinitz 1876
†Pteruchus thomasii Pant and Basu 1979
Diagnosis
No diagnoses are available