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Pyrgocystis sardesoni
Taxonomy
Pyrgocystis sardesoni was named by Bather (1915). It is the type species of Pyrgocystis.
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.
†Pyrgocystis sardesoni Bather 1915
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: base of the Rocklandian to the top of the Shermanian or 457.30000 to 449.60000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Blackriveran | USA (Illinois, Iowa) | Pyrgocystis sardesoni (23449) | |
| Kirkfieldian | USA (Illinois, Iowa) | Pyrgocystis sardesoni (23460 23465) | |
| Rocklandian - Shermanian | USA (Minnesota) | Pyrgocystis sardesoni (23402) | |
| Shermanian | USA (Illinois, Iowa) | Pyrgocystis sardesoni (23470) | |
| Shermanian | USA (Iowa, Illinois) | Pyrgocystis sardesoni (23469) | |
| Shermanian | USA (Minnesota) | Pyrgocystis sardesoni (23403) |