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Syringothyris lydekkeri
Taxonomy
Spirifer lydekkeri was named by Diener (1899).
It was recombined as Syringothyris lydekkeri by Diener (1915) and Waterhouse (1966).
It was recombined as Syringothyris lydekkeri by Diener (1915) and Waterhouse (1966).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1899 | Spirifer lydekkeri Diener p. 72 figs. Pl 3, figs 1-11 |
1915 | Syringothyris lydekkeri Diener p. 38 figs. Pl 4, figs 3-6 |
1966 | Syringothyris lydekkeri Waterhouse p. 58 figs. Pl 13, fig 3 |
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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.
†Syringothyris lydekkeri Diener 1899
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Diagnosis
Reference | Diagnosis | |
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J. B. Waterhouse 1966 | Moderately but not extremely transverse, somewhat variable in outline, cardinal extremities obtuse at early growth stage, acute later, ventral umbo low, little incurved, moderately deep and wide sulcus, and high fold, without costae or median cleft. |
Measurements
No measurements are available
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Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
References: Aberhan et al. 2004, Nesnidal et al. 2013 |
Age range: base of the Bashkirian to the top of the Sakmarian or 323.20000 to 290.10000 Ma
Collections (11 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Bashkirian | China | Syringothyris lydekkeri (61006 67714) | |
Bashkirian | India | Syringothyris lydekkeri (230684 230685 230687 230690 230692 230693 230696) | |
Bashkirian | Nepal | Syringothyris lydekkeri (67715) | |
Sakmarian | China (Xizang) | Syringothyris lydekkeri (110094) |