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Psydracophyllum
Taxonomy
Psydracophyllum was named by Pedder (1971) [Sepkoski's age data: D Emsi-u D Give-l]. It is not extant.
It was assigned to Ptenophyllinae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Ptenophyllinae by Hill (1981); and to Rugosa by Sepkoski (2002).
Species lacking formal opinion data
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. †Psydracophyllum Pedder 1971
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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 Late/Upper Emsian to the top of the Givetian or 399.50000 to 382.31000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Emsian | China (Guangxi) | P. irregulare (4862) P. sp. (4865) | |
| Eifelian | Canada (British Columbia) | P. lonsdaleiaforme (84251) | |
| Eifelian | Canada (Northwest Territories) | P. barbatum, P. lonsdaleiaforme (84255) P. lonsdaleiaforme (84254) | |
| Givetian | Canada (Northwest Territories) | P. sp. A (84239 84240 84242) |