| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Acila (Truncacila) osugii was named by Nagao and Huzioka (1941) [DISTRIBUTION: Early Oligocene; northeastern Pacific.]. It is not a trace fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1941 | Acila (Truncacila) osugii Nagao and Huzioka |
| 2003 | Acila (Truncacila) osugii Kafanov and Ogasawara p. 50 |
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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.
†Acila (Truncacila) osugii Nagao and Huzioka 1941
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Mikkelsen and Bieler 2008, Aberhan et al. 2004 | |||||
Age range: base of the Early/Lower Eocene to the top of the Late/Upper Oligocene or 55.80000 to 23.03000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Eocene | Russian Federation | Acila osugii (70564) | |
| Early/Lower Oligocene | Russian Federation | Acila osugii (70445) | |
| Late/Upper Oligocene | Russian Federation | Acila osugii (70475) |