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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Amaea pentzia
Taxonomy
Amaea pentzia was named by Squires and Saul (2003). Its type specimen is LACMIP 12993 and is a 3D body fossil. Its type locality is UCLA loc. 4340, Pentz, which is in a Campanian marine siliciclastic in the Chico Formation of California.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2003 | Amaea pentzia Squires and Saul p. 29 figs. Figures 18-20 |
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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.
†Amaea pentzia Squires and Saul 2003
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Squires and L. R. Saul 2003 | An Amaea with axial ribs strong, closely spaced, and nearly straight. Spiral sculpture consisting of microscopic spiral striae occurring in bands; spiral groove near change in sculpture on basal part of last whorl. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Beu et al. 1990, Kiessling 2004 | |||||
Age range: Early/Lower Campanian or 83.50000 to 70.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Campanian | USA (California) | Amaea pentzia (type locality: 3890) |