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Sphenobaiera
Taxonomy
Sphenobaiera was named by Florin (1936). It is not extant. Its type is Sphenobaiera spectabilis.
It was assigned to Ginkgoaceae by Jain and Delevoryas (1967); to Karkeniaceae by Retallack (1981); to Peltaspermaceae by Meyen (1984); to Ginkgophyta by Andrews (1970) and Dobruskina (1995); and to Ginkgoales by Holmes (1982), Chandra and Tewari (1991) and Pedernera et al. (2019).
It was assigned to Ginkgoaceae by Jain and Delevoryas (1967); to Karkeniaceae by Retallack (1981); to Peltaspermaceae by Meyen (1984); to Ginkgophyta by Andrews (1970) and Dobruskina (1995); and to Ginkgoales by Holmes (1982), Chandra and Tewari (1991) and Pedernera et al. (2019).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Sphenobaiera Florin |
| 1967 | Sphenobaiera Jain and Delevoryas |
| 1970 | Sphenobaiera Andrews |
| 1981 | Sphenobaiera Retallack |
| 1982 | Sphenobaiera Holmes |
| 1984 | Sphenobaiera Meyen p. 89 |
| 1991 | Sphenobaiera Chandra and Tewari |
| 1995 | Sphenobaiera Dobruskina |
| 2019 | Sphenobaiera Pedernera et al. p. 613 |
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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. †Sphenobaiera Florin 1936
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†Sphenobaiera africana Baldoni 1980
†Sphenobaiera chilensis Florin 1940
†Sphenobaiera granulifer Sixtel 1962
†Sphenobaiera janarensis Pal 1984
†Sphenobaiera pontifolia Anderson and Anderson 1989
†Sphenobaiera spectabilis Nathorst 1936
†Sphenobaiera tenuifolia Johnston 1887
†Sphenobaiera ugotheriensis Holmes 1982
Diagnosis
No diagnoses are available