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Polyfistula
Taxonomy
Polyfistula was named by Nazarov and Ormiston (1984) [Sepkoski's age data: P l P Leon Sepkoski's reference number: 546,ZR86]. Its type is Polyfistula longiquitas.
It was assigned to Spumellaria by Sepkoski (2002); and to Ormistonellidae by De Wever et al. (2001), Noble et al. (2017).
It was assigned to Spumellaria by Sepkoski (2002); and to Ormistonellidae by De Wever et al. (2001), Noble et al. (2017).
Species
Cornellus sakmaraensis, Nabespecha leonardia, P. grantmackiei, P. hexalobata, P. longiquitas (type species), P. novem, P. regularis
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1984 | Polyfistula Nazarov and Ormiston |
| 1986 | Nabespecha Cornell and Simpson p. 286 |
| 1989 | Cornellus Kozur and Mostler |
| 2001 | Polyfistula De Wever et al. p. 107 |
| 2002 | Polyfistula Sepkoski |
| 2017 | Polyfistula Noble et al. p. 466 |
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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. †Polyfistula Nazarov and Ormiston 1984
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†Polyfistula grantmackiei Sashida 2000
†Polyfistula hexalobata Nazarov and Ormiston 1989
†Polyfistula longiquitas Nazarov and Ormiston 1984
†Polyfistula novem Noble and Renne 1990
†Polyfistula regularis Feng et al. 2006
Invalid names: Cornellus Kozur and Mostler 1989 [synonym], Nabespecha Cornell and Simpson 1986 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range: base of the Roadian to the top of the Changhsingian or 274.40000 to 251.90200 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian | USA (Texas) | Nabespecha leonardia (91019) | |
| Changhsingian | China (Yunnan) | Nabespecha leonardia (95625) | |
| Changhsingian | China (Guangxi) | P. regularis (95331 95332 95333 95334 221457 221462 221465 221466) |