| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cratonia
Taxonomy
Cratonia was named by Rydin et al. (2003). It is not extant. Its type is Cratonia cotyledon.
It was assigned to Gnetales by Rydin et al. (2003).
It was assigned to Gnetales by Rydin et al. (2003).
Species
C. cotyledon (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2003 | Cratonia Rydin 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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: Late/Upper Aptian or 119.57000 to 113.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Aptian | Brazil (Ceará) | C. cotyledon (type locality: 122922) |