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Platydiamesus
Taxonomy
Platydiamesus was named by Raymond (1937) [Sepkoski's age data: Cm Trep-u Sepkoski's reference number: 697]. It is not extant.
It was assigned to Ptychopariida by Sepkoski (2002); and to Illaenuridae by Jell and Adrain (2002).
It was assigned to Ptychopariida by Sepkoski (2002); and to Illaenuridae by Jell and Adrain (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1937 | Platydiamesus Raymond |
| 2002 | Platydiamesus Jell and Adrain p. 426 |
| 2002 | Platydiamesus Sepkoski |
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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. †Platydiamesus Raymond 1937
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†Platydiamesus depressus Raymond 1937
†Platydiamesus levisensis Rasetti 1944
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009, Whittington et al. 1997 | |||||
Age range: base of the Dolgellian to the top of the Sunwaptan or 490.20000 to 488.90000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Merioneth | USA (Vermont) | P. inornatus (8976) | |
| Sunwaptan | Canada (Alberta) | P. levisensis (81298 81301) P. sp. (54096) | |
| Sunwaptan | Canada (Newfoundland and Labrador) | P. inornatus (81269) P. inornatus, P. levisensis (81271 81272) P. levisensis (81270) | |
| Dolgellian | Canada (Quebec) | P. depressus (8933) | |
| Trempealeauan | Canada (Quebec) | P. levisensis (224141) |