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Phisonites
Taxonomy
Phisonites was named by Shevyrev (1965). Its type is Phisonites triangulus.
It was assigned to Xenodiscinae by Spinosa et al. (1975); and to Xenodiscidae by Waterhouse (1987), Leonova (2002), Korn (2006), Korn and Hairapetian (2021).
It was assigned to Xenodiscinae by Spinosa et al. (1975); and to Xenodiscidae by Waterhouse (1987), Leonova (2002), Korn (2006), Korn and Hairapetian (2021).
Species
P. triangulus (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Phisonites Shevyrev p. 168 |
| 1975 | Phisonites Spinosa et al. p. 247 |
| 1987 | Phisonites Waterhouse |
| 2002 | Phisonites Leonova |
| 2006 | Phisonites Korn |
| 2021 | Phisonites Korn and Hairapetian p. 18 |
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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.
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 22.2 | 20.6 | 24.0 | 22.3 | 2.40 | |
| shell diameter | 2 | 78.0 | - | - | 78.0 | - |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Wuchiapingian to the top of the Changhsingian or 259.51000 to 251.90200 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | New Zealand | P. sp. (213211) | |
| Changhsingian | Iran | P. sp. (118283) P. triangulus (119067 181512) | |
| Changhsingian | Azerbaijan | P. sp. (110599) P. triangulus (97243 110643 110692) | |
| Changhsingian | Armenia | P. sp. (110774 110786) P. sp., P. triangulus (110751) |