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Zephyroceras girtyanus
Taxonomy
Richardsonites girtyanus was named by Ruzhentsev and Bogoslovskaya (1971). Its type specimen is PIN 455/36437, a shell, and it is a 3D body fossil. Its type locality is Sholak-Say Canyon, Sample 3, Southern Urals, Aktyubin Region, which is in an Arnsbergian offshore shelf carbonate in Kazakhstan.
It was recombined as Zephyroceras girtyanus by Titus (2000).
It was recombined as Zephyroceras girtyanus by Titus (2000).
Synonymy list
Year | Name and author |
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1971 | Richardsonites girtyanus Ruzhentsev and Bogoslovskaya p. 299 figs. Pl 33, figs 1,2; text-fig 76c |
2000 | Zephyroceras girtyanus Titus p. 37 figs. Plate 9, figures 6-12, 15, 16; text figures 31.1, 31.2, 31.4 |
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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.
†Zephyroceras girtyanus Ruzhentsev and Bogoslovskaya 1971
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Diagnosis
Reference | Diagnosis | |
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A. L. Titus 2000 | Species with low pachyconic conch and moderately wide umbilicus (U/D ratio of around 0.3). |