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Preflorianites toulai
Taxonomy
Xenodiscus toulai was named by Smith (1932).
It was recombined as Preflorianites toulai by Kummel and Steele (1962), Shevyrev (1995), Brayard et al. (2013).
It was recombined as Preflorianites toulai by Kummel and Steele (1962), Shevyrev (1995), Brayard et al. (2013).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1932 | Proteusites rotundus Smith |
1932 | Xenodiscus toulai Smith |
1962 | Preflorianites toulai Kummel and Steele p. 669 figs. Pl 100, figs 18-20; pl 102, fig 5 |
1995 | Preflorianites toulai Shevyrev p. 27 figs. Pl 2, fig 4 |
2013 | Preflorianites toulai Brayard et al. p. 161 figs. 20a-h |
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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.
†Preflorianites toulai Smith 1932
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Invalid names: Proteusites rotundus Smith 1932 [synonym]
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 12 | 11.3 | 7.80 | 17.6 | 10.9 | 3.49 | |
shell diameter | 12 | 29.4 | 20.0 | 46.2 | 29.4 | 9.28 | |
shell inflation | 12 | 9.88 | 6.00 | 17.0 | 9.80 | 3.93 |
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Source: o = order, c = class | |||||
References: Kiessling 2003, Kiessling 2004 |
Age range: Smithian or 251.30000 to 247.20000 Ma
Collections (13 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Smithian | USA (California) | Xenodiscus toulai, Proteusites rotundus (33298) | |
Smithian | USA (Idaho) | Xenodiscus toulai (33288) | |
Smithian | USA (Nevada) | Preflorianites toulai (61515 62096 62097 97121) | |
Smithian | USA (Utah) | Preflorianites toulai (156011 156013 156042 156045 156046 156065) | |
Smithian | Russian Federation | Preflorianites toulai (99538) |