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Sphenophyllum churulianum
Taxonomy
Sphenophyllum churulianum was named by Srivastava and Rigby (1983). It is not extant. Its type locality is Churulia, which is in a Lopingian fluvial-lacustrine horizon in India.
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
Entered
by B. Allen on 2023-05-04
Synonymy list
| Year | Name and author |
|---|---|
| 1983 | Sphenophyllum churulianum Srivastava and Rigby |
| 1991 | Sphenophyllum churulianum 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 churulianum Srivastava and Rigby 1983
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: superp = superphylum | |||||
| Reference: Kenrick and Crane 1997 | |||||
Age range: Lopingian or 259.51000 to 251.90200 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lopingian | India (West Bengal) | Sphenophyllum churulianum (type locality: 224735) | |
| Lopingian | India (Odisha) | Sphenophyllum churulianum (225416) |