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Volutoderma blakei
Taxonomy
Volutoderma blakei was named by Saul and Squires (2008). Its type specimen is LACMIP 13174 and is a 3D body fossil. Its type locality is UCLA Loc. 2415, Bee Canyon, which is in a Campanian coastal sandstone in the Williams Formation of California.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2008 | Volutoderma blakei Saul and Squires p. 228 figs. Figure 6.1–6.4 |
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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.
†Volutoderma blakei Saul and Squires 2008
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. R. Saul and R. L. Squires 2008 | Large Volutoderma, shell slender in youth but with expanded penultimate and ultimate whorls; both spiral and axial sculpture at small and intermediate shell sizes, but primarily spiral cords at maturity; growth line sharply sinused at suture. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Age range: base of the Coniacian to the top of the Late/Upper Campanian or 89.80000 to 72.20000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cretaceous | USA (California) | Rostellites gabbi (193032) | |
| Coniacian | USA (California) | Volutoderma blakei (158090) Volutoderma gabbi (44271) | |
| Late/Upper Campanian | USA (California) | Volutoderma blakei (72057 86793 type locality: 86872) |