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Shikamacirrus
Taxonomy
Shikamacirrus was named by Kase (1984) [Sepkoski's age data: K Apti Sepkoski's reference number: 1066].
It was assigned to Cirridae by Kase (1984); and to Archaeogastropoda by Sepkoski (2002).
It was assigned to Cirridae by Kase (1984); and to Archaeogastropoda by Sepkoski (2002).
Species lacking formal opinion data
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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.
G. †Shikamacirrus Kase 1984
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: supero = superorder, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||
Age range: Late/Upper Aptian or 122.46000 to 113.00000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Aptian | Japan | S. nipponicus (91295 91299 91300 91303) |