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Teixeiraea
Taxonomy
Teixeiraea was named by von Balthazar et al. (2005). It is not extant. It is considered to be a form taxon.
It was assigned to Ranunculales by von Balthazar et al. (2005).
It was assigned to Ranunculales by von Balthazar et al. (2005).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2005 | Teixeiraea von Balthazar 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. †Teixeiraea von Balthazar et al. 2005
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. von Balthazar et al. 2005 | Flower male unisexual; perianth apparently spirally arranged (at least
in the bracts and sepals) and exhibiting a transition between different organ categories from small bracts to large sepals and petals the same length as the bud, number of bracts and sepals c. 14 and of petals c. 12; androecium of c. 20 stamens in two sizes, stamens with short filaments and basifixed dithecate, tetrasporangiate anthers; anther dehiscence by longitudinal slits; connective extended; pollen small, tricolpate with long colpi, pollen wall tectate perforate and columellate; no rudiments of gynoecium present. |
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||
Age range: base of the Late/Upper Aptian to the top of the Early/Lower Albian or 122.46000 to 109.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Aptian - Early/Lower Albian | Portugal (Leiria) | T. lusitanica (121686) |