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Triplophyllum
Taxonomy
Triplophyllum was named by Simpson (1900) [Sepkoski's age data: D Eife]. It is not extant.
It was synonymized subjectively with Heterophrentis by Hill (1956).
It was assigned to Streptelasmatinae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was synonymized subjectively with Heterophrentis by Hill (1956).
It was assigned to Streptelasmatinae by Hill (1981); and to Rugosa by Sepkoski (2002).
Synonymy list
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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. †Triplophyllum Simpson 1900
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Llandovery to the top of the Permian or 443.10000 to 251.90200 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandovery | China (Xizang) | T. nyalamense (27839) | |
| Early/Lower Mississippian | USA (Nevada) | T. sp. (229422 229424) | |
| Mississippian | USA (Arizona) | T. sp. (124290) | |
| Mississippian | USA (Alaska) | T. sp. (112176) | |
| Late/Upper Mississippian | USA (Alaska) | T. sp. (112180 112181 112183) | |
| Early/Lower Pennsylvanian | USA (California) | T. sp. (229446) | |
| Permian | USA (Alaska) | T. sp. (112196 112202) |