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Ptyctothyris hardgravensis
Taxonomy
Ptyctothyris hardgravensis was named by Crickmay (1933). It is a 3D body fossil. Its type locality is Spur 34, southwest slope of Mount Jura, which is in an Aalenian marine sandstone in the Hardgrave Formation of California.
Synonymy list
| Year | Name and author |
|---|---|
| 1933 | Ptyctothyris hardgravensis Crickmay p. 883 figs. Pl. 22, Fig. 1-3 |
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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.
†Ptyctothyris hardgravensis Crickmay 1933
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 8.19 | 5.00 | 11.0 | 10.0 | 3.21 |
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||