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Sphenophyllum
Taxonomy
Sphenophyllum was named by König (1825). It is not extant. Its type is Sphenophyllites emarginatus.
It was assigned to Plantae by McClelland (1850); to Sphenophyllales by Lakhanpal et al. (1976), Chandra and Tewari (1991); and to Sphenophyllaceae by Taylor et al. (2009).
It was assigned to Plantae by McClelland (1850); to Sphenophyllales by Lakhanpal et al. (1976), Chandra and Tewari (1991); and to Sphenophyllaceae by Taylor et al. (2009).
Species
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
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1822 | Sphenophyllites Brongniart |
| 1825 | Sphenophyllum König p. 68 |
| 1850 | Sphaenophyllum McClelland |
| 1929 | Sardykphyllum Zalessky |
| 1976 | Sphenophyllum Lakhanpal et al. |
| 1991 | Sphenophyllum Chandra and Tewari |
| 2009 | Sphenophyllum Taylor et al. |
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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. †Sphenophyllum König 1825
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†Sphenophyllum churulianum Srivastava and Rigby 1983
†Sphenophyllum crenulatum Maithy 1978
†Sphenophyllum elongatum Rasskazova 1961
†Sphenophyllum emarginatum Brongniart 1822
†Sphenophyllum gondwanensis Singh et al. 1986
†Sphenophyllum radiatum Unger 1850
†Sphenophyllum thonii Mahr 1968
†Sphenophyllum utkalensis Pant et al. 1985
Invalid names: Sardykphyllum Zalessky 1929 [synonym], Sphenophyllites Brongniart 1822 [replaced]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Middle Famennian to the top of the Changhsingian or 368.50000 to 251.90200 Ma
Collections (339 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Devonian | China (Jiangsu) | S. sp. (209613) | |
| Middle Famennian | USA (West Virginia) | S. subtenerrimmum (21198) | |
| Late/Upper Famennian | Belgium (Liege) | S. subtenerrimum (23335) | |
| Hastarian | Germany (Thuringia) | S. sp. (21366) | |
| Hastarian | Germany (Nordrhein-Westfalen) | S. sp. (38293) | |
| Hastarian - Ivorian | Germany (Thuringia) | S. sp. (20975) | |
| Mississippian | USA (West Virginia) | S. cuneifolium (12983 12985) S. cuneifolium, S. majus, S. emarginatum (12984) | |
| Mississippian | USA (Missouri) | S. cunefolium, S. majus (12122) | |
| Mississippian | Canada (New Brunswick) | S. antiquum, S. cuneifolium (12421) | |
| Mississippian | France | S. sp. (10663) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Lopingian | India (West Bengal) | S. churulianum, S. crenulatum (224735) | |
| Lopingian | South Africa | S. sp. 1 (30890) | |
| Wuchiapingian - Changhsingian | Brazil | S. sp. 1, S. sp. 2 (29494) | |
| Wuchiapingian - Changhsingian | Brazil (Parana) | S. sp. 1 (29502) | |
| Wuchiapingian - Changhsingian | China (Jilin) | S. sp. 1, S. sp. 2, S. sp. 3 (29826) | |
| Changhsingian - Wuchiapingian | Brazil | S. sp. 1 (29481) | |
| Changhsingian | China (Guangdong) | S. sp. 1 (29839) | |
| Changhsingian | South Africa (Kwazulu-Natal) | S. sp. (39077) | |
| Changhsingian | China (Guizhou) | S. sp. 1 (30005) | |
| Changhsingian | China (Xizang) | S. sp. 1 (29792) | |