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Shikokuspira
Taxonomy
Shikokuspira was named by Nishida (1969) [Sepkoski's age data: P Guad-u Sepkoski's reference number: 157]. Its type is Shikokuspira hamadai.
It was assigned to Neritopsinae by Nishida (1969); and to Archaeogastropoda by Sepkoski (2002).
It was assigned to Neritopsinae by Nishida (1969); and to Archaeogastropoda by Sepkoski (2002).
Species
S. hamadai (type species)
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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.
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 8.20 |
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| Source: f = family, c = class | |||||
| Reference: Kiessling 2004 | |||||