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Sigmaphyllum
Taxonomy
Sigmaphyllum was named by Hill and Scriven (1999). It is considered to be a form taxon. Its type is Sigmaphyllum australis.
It was assigned to Podocarpaceae by Hill and Scriven (1999).
It was assigned to Podocarpaceae by Hill and Scriven (1999).
Species
S. australis (syn. Falcatifolium australis) (type species), S. tasmanensis
Synonymy list
| Year | Name and author |
|---|---|
| 1999 | Sigmaphyllum Hill and Scriven |
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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. †Sigmaphyllum Hill and Scriven 1999
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†Sigmaphyllum australis Hill and Scriven 1999
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Invalid names: Falcatifolium australis Greenwood 1987 [objective synonym]
†Sigmaphyllum tasmanensis Hill and Scriven 1999
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Late/Upper Eocene to the top of the Late/Upper Oligocene or 37.71000 to 23.04000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Eocene | Australia (Victoria) | Falcatifolium australis, S. australis (166825) | |
| Early/Lower Oligocene | Australia (Tasmania) | S. tasmanensis (166705) | |
| Late/Upper Oligocene | Australia (Tasmania) | S. tasmanensis (167317) |