| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Sinum ineptum
Taxonomy
Sigaretus ineptus was named by Yokoyama (1924) [DISTRIBUTION: Middle Miocene-Late Miocene; Japan.]. It is not a trace fossil.
It was recombined as Sinum ineptum by Majima (1989).
It was recombined as Sinum ineptum by Majima (1989).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Sigaretus ineptus Yokoyama pp. 53-54 figs. pl. 6, fig. 16 |
| 1934 | Sinum yabei Otuka |
| 1989 | Sinum ineptum Majima p. 70 |
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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
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Langhian to the top of the Late/Upper Miocene or 15.98000 to 5.33300 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Miocene | Japan | Sinum yabei (52322) | |
| Langhian | Japan | Sinum yabei (44958 44959 44961 44970) | |
| Middle Miocene | Japan (Hiroshima) | Sinum yabei (51422 51423) | |
| Serravallian | Japan | Sinum yabei (44962) | |
| Late/Upper Miocene | Japan | Sinum yabei (52112 52113 52222) |