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Protowentzelella cystosa
Taxonomy
Thysanophyllum cystosum was named by Dobrolyubova (1936).
It was recombined as Protowentzelella cystosa by Fedorowski et al. (2007) and Stevens (2008).
It was recombined as Protowentzelella cystosa by Fedorowski et al. (2007) and Stevens (2008).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Thysanophyllum cystosum Dobrolyubova |
| 1960 | Lithostrotion (Thysanophyllum) princeps Easton p. 576 fig. 5,6 |
| 1962 | Sciophyllum mulleri Wilson and Langenheim, Jr. p. 513 figs. Pl 88, figs 9-11 |
| 1962 | Thysanophyllum princeps Wilson and Langenheim, Jr. p. 514 figs. Pl 89, figs 1,2 |
| 2007 | Protowentzelella cystosa Fedorowski et al. p. 112 |
| 2008 | Protowentzelella cystosa Stevens p. 1047 fig. 5.2,5.4 |
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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.
†Protowentzelella cystosa Dobrolyubova 1936
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Invalid names: Lithostrotion (Thysanophyllum) princeps Easton 1960 [synonym], Sciophyllum mulleri Wilson and Langenheim, Jr. 1962 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Asselian to the top of the Artinskian or 298.90000 to 279.30000 Ma
Collections (23 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | USA (Nevada) | Sciophyllum mulleri (120704) Sciophyllum mulleri, Thysanophyllum princeps (120692) | |
| Asselian | Canada (Nunavut) | Protowentzelella cystosa (107853) | |
| Asselian - Sakmarian | USA (Alaska) | Protowentzelella cystosa (108146) | |
| Sakmarian | USA (California) | Protowentzelella cystosa (108131) | |
| Sakmarian | Canada (Nunavut) | Protowentzelella cystosa (107871 107880 107942) | |
| Sakmarian | USA (Nevada) | Lithostrotion princeps (107564 107565) | |
| Sakmarian | Canada (British Columbia) | Protowentzelella cystosa (107943) | |
| Artinskian | USA (California) | Protowentzelella cystosa (96008) | |
| Artinskian | USA (Texas) | Protowentzelella cystosa (108123 108124 108125 108127) | |
| Artinskian | USA (Utah) | Lithostrotion princeps (107571) | |
| Artinskian | USA (Nevada) | Lithostrotion princeps (107561 107570 107575 107578 107582 107588) |