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Zaglenum pentzensis
Taxonomy
Zaglenum pentzensis was named by Squires and Saul (2001). Its type specimen is LACMIP 12819 and is a 3D body fossil. Its type locality is UCLA loc. 4340, Pentz, which is in a Campanian marine conglomerate in the Chico Formation of California.
Synonymy list
Year | Name and author |
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2001 | Zaglenum pentzensis Squires and Saul pp. 57 - 58 figs. Figure 6.1 - 6.3 |
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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.
†Zaglenum pentzensis Squires and Saul 2001
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Diagnosis
Reference | Diagnosis | |
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R. L. Squires and L. R. Saul 2001 | Apical angle of about 52 degrees, coarse spiral ribbing, and moderately coarse cancellate sculpture. |
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Hendy et al. 2009, Kiessling 2004 |
Age range: Early/Lower Campanian or 83.60000 to 72.20000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Early/Lower Campanian | USA (California) | Zaglenum pentzensis (type locality: 3890) |