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Cordioxylon
Taxonomy
Cordioxylon was named by Awasthi (1984). It is not extant. It is considered to be a form taxon. Its type is Cordioxylon multiseriatum.
It was assigned to Boraginaceae by Srivastava (1991), Stiles et al. (2020).
It was assigned to Boraginaceae by Srivastava (1991), Stiles et al. (2020).
Species
C. multiseriatum (type species), C. prototrichotoma
Synonymy list
| Year | Name and author |
|---|---|
| 1984 | Cordioxylon Awasthi |
| 1991 | Cordioxylon Srivastava |
| 2020 | Cordioxylon Stiles 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. †Cordioxylon Awasthi 1984
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†Cordioxylon multiseriatum Awasthi 1984
†Cordioxylon prototrichotoma Brea and Zucol 2006
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| Fibers diameter | 1 | 0.014 | - | - | - | - | |
| Pores diameter | 2 | 0.135 | 0.129 | 0.142 | 0.136 | 0.009 | |
| Punteadura intervascular diameter | 1 | 0.004 | - | - | - | - |
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||