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Sphenophyllum thonii
Taxonomy
Sphenophyllum thonii was named by Mahr (1968). It is not extant.
Sister species lacking formal opinion data
S. alatifolium, S. amplum, S. angustifolium, S. antiquum, S. biarnicum, S. bifurcatum, S. cornutum, S. costae, S. cunefolium, S. cuneifolium, S. cuneifolium, S. erosum, S. fasciculatum, S. filiculme, S. gilmorei, S. hammanskraalense, S. hauchecornei, S. insigne, S. latifolium, S. longifolium, S. majus, S. mesoeccaense, S. myriophyllum, S. oblongifolia, S. oblongifolium, S. oblongifoliun, S. obovatum, S. orbiculare, S. plurifoliatum, S. saxifragaefolium, S. saxifragifolium, S. saxonicum, S. schlotheimii, S. sinocoreanum, S. stouckenbergii, S. stoukenbergi, S. subtenerrimmum, S. subtenerrimum, S. tenue, S. tenuifolium, S. thoni, S. trichomatosum, S. verticillatum
Synonymy list
| Year | Name and author |
|---|---|
| 1968 | Sphenophyllum thonii Mahr |
| 1991 | Sphenophyllum thonii Chandra and Tewari |
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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.
†Sphenophyllum thonii Mahr 1968
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Stephanian C to the top of the Autunian or 300.90000 to 283.30000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Stephanian C | Portugal | Sphenophyllum thonii (25373) | |
| Autunian | Germany (Thuringia) | Sphenophyllum thonii (25208 25209 25231 25234 25235) | |
| Asselian - Kungurian | USA (Kansas) | Sphenophyllum thonii (11162) |