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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 |
|---|---|
| 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 | |
|---|---|---|
| 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. |