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Strepsodiscus pagoda
Taxonomy
Pelagiella pagoda was named by Walcott (1905). It is a 3D body fossil. Its type locality is C56. 25’ from top of Pagoda Hill, 1.6 km west of Jinan, which is in a Furongian carbonate limestone in the Chaomidian Formation of China.
It was recombined as Strepsodiscus pagoda by Wagner (2023).
It was recombined as Strepsodiscus pagoda by Wagner (2023).
Synonymy list
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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.
†Strepsodiscus pagoda Walcott 1905
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. D. Walcott 1913 | Shell minute, consisting of about two whorls, of which the inner whorl is very
small and incurved so as to be seen best from the right dorsal or outer side. Whorls regularly incurved, with the plane of the coiling toward the right dorsal side. The section of the outer whorl near the aperture is elongate oval, with the left ventral side somewhat flattened. The outer whorl widens rapidly toward the aperture, especially on the right ventral (inner) side, which gives the outline, when looked at from the dorsal ridge, an oblique, unsymmetrical appearance. Surface marked by concentric lines of growth which arch backward upon the dorsum, indicating a dorsal sinuosity in the peristome. Greatest diameter of the shell, 2.5 mm.; dorso-ventral diameter of whorl near the aperture, 1.75 mm.; greatest lateral diameter not measurable, but apparently not more than one-half the antero-posterior diameter. |
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class | |||||
| References: Kiessling 2004, Hendy 2009 | |||||