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Cylindrobullina avena
Taxonomy
Striactaeonina avena was named by Terquem (1855).
It was recombined as Cylindrobullina avena by Gründel et al. (2011).
It was recombined as Cylindrobullina avena by Gründel et al. (2011).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1855 | Striactaeonina avena Terquem |
| 2011 | Cylindrobullina avena Gründel et al. |
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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.
†Cylindrobullina avena Terquem 1855
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 2.60 |
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| Source: superf = superfamily, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Age range: base of the Hettangian to the top of the Early/Lower Hettangian or 201.40000 to 199.50000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Hettangian | Italy | Colostracon avena (29035 29050) | |
| Hettangian - Early/Lower Sinemurian | United Kingdom | Cylindrobullina avena (118018) |