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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Aspidium
Taxonomy
Aspidium was named by Swartz (1801). It is extant. It is considered to be a form taxon.
It was assigned to Polypodiales by Swartz (1801); and to Polypodiaceae by Knowlton (1919).
It was assigned to Polypodiales by Swartz (1801); and to Polypodiaceae by Knowlton (1919).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1801 | Aspidium Swartz |
| 1919 | Aspidium Knowlton |
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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
Maximum range based only on fossils: base of the Late/Upper Pleistocene to the top of the Pleistocene or 0.12900 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 0.0117 Ma
Minimum age of oldest fossil (stem group age): 0.0117 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pleistocene | Australia (Queensland) | A. sp. (168889 168891 168893 168904 168918) | |
| Middle Pleistocene - Holocene | Australia (Queensland) | A. sp. (168896) | |
| Late/Upper Pleistocene - Holocene | Australia (Queensland) | A. molle (168747 168749 168750 168751 168752 168753) |