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Gymnostoma
Taxonomy
Gymnostoma was named by Johnson (1980). It is extant. It is considered to be a form taxon.
It was assigned to Casuarinaceae by Scriven and Hill (1995).
It was assigned to Casuarinaceae by Scriven and Hill (1995).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Gymnostoma Johnson |
| 1995 | Gymnostoma Scriven and Hill |
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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. Gymnostoma Johnson 1980
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†Gymnostoma antiquum Scriven and Hill 1995
†Gymnostoma tasmanianum Guerin and Hill 2003
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||
Age range: base of the Late/Upper Paleocene to the top of the Middle Miocene or 59.24000 to 11.63000 Ma
Collections (24 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Paleocene | Australia (New South Wales) | G. antiquum (166738) | |
| Early/Lower Eocene | Australia (Tasmania) | G. sp. (166741 166977 167653 167658 167670) | |
| Ypresian | Argentina (Chubut) | G. TY051 (133043 133066) G. TY051, G. TY052 (133047 133063) G. TY051, Magnoliopsida TY149 (133054) | |
| Middle Eocene | Australia (Victoria) | Gymnostoma indet. (167109) | |
| Middle Eocene | Australia (South Australia) | G. sp. A, G. sp. B (167541) | |
| Middle Eocene - Late/Upper Eocene | Australia (Tasmania) | G. sp. (166978) | |
| Middle Eocene - Late/Upper Eocene | Australia (Western Australia) | G. sp. (169414) | |
| Middle Eocene - Oligocene | Australia (Western Australia) | G. sp. (167545) | |
| Early/Lower Oligocene | Australia (Tasmania) | G. sp. (166832) G. tasmanianum (166705) | |
| Early/Lower Oligocene - Early/Lower Miocene | Australia (Victoria) | G. sp. (167544 169007 169237) | |
| Late/Upper Oligocene | Australia (Tasmania) | G. tasmanianum (167317) | |
| Late/Upper Oligocene - Early/Lower Miocene | New Zealand (Southland) | G. sp. (169981) | |
| Middle Miocene | Australia (New South Wales) | G. sp. (224044) |