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Platycystites
Taxonomy
Platycystites was named by Miller (1889) [Sepkoski's age data: O Llde-u O Cara-l Sepkoski's reference number: 2,332].
It was assigned to Platycystitinae by Frest et al. (1979); and to Platycystitida by Sepkoski (2002).
It was assigned to Platycystitinae by Frest et al. (1979); and to Platycystitida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1889 | Platycystites Miller |
| 1979 | Platycystites Frest et al. pp. 387 - 388 |
| 2002 | Platycystites 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. †Platycystites Miller 1889
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†Platycystites cristatus Bassler 1943
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Invalid names: Platycystites bromidensis Bassler 1943 [synonym], Platycystites fimbriatus Bassler 1943 [synonym]
†Platycystites faberi Miller 1889
†Platycystites levatus Bassler 1943
†Platycystites ovalis Frest et al. 1979
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| T. J. Frest et al. 1979 | Theca amygdaloidal, compressed to broadly oval in outline, both arms reaching column, calluses prominent; 26 to 29 thecal plates; no intercalates. Peristome only slightly offset to left, periproct on posterior face near upper margin (adopted from Parsley & Mintz, 1975, p. 59). |
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: Ashbyan or 457.30000 to 449.60000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Caradoc | USA (Tennessee) | P. faberi (197204 197206 197207) | |
| Ashbyan | USA (Virginia) | P. faberi (164380 197208) | |
| Ashbyan - Blackriveran | USA (Tennessee) | P. faberi (197205) | |
| Blackriveran | USA (Oklahoma) | P. sp. (24101 24102 24103 24104) P. sp., P. bassleri, Globulocystites cristatus, P. levatus, P. fimbriatus, P. bromidensis (23990) P. sp., P. faberi (24095) |