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Worthenia pilula
Taxonomy
Worthenia pilula was named by Batten (1989). Its type specimen is AMNH 43665 and is not a trace fossil. Its type locality is AMNH512, Guadalupe Pass, Guadalupe Mountains, which is in a Roadian slope limestone in the Cherry Canyon Formation of Texas.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Worthenia pilula Batten p. 54 figs. Pl 10, figs 11-13 |
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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.
†Worthenia pilula Batten 1989
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 7.67 | 6.40 | 9.20 | 7.80 | 1.98 | |
| shell diameter | 2 | 9.37 | 8.20 | 10.7 | 9.45 | 1.77 |
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| Source: o = order | |||||
| Reference: Bambach et al. 2007 | |||||
Age range: base of the Kungurian to the top of the Capitanian or 279.30000 to 259.51000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kungurian | USA (Texas) | Worthenia pilula (43609 81592 81949) | |
| Roadian | USA (Texas) | Worthenia pilula (type locality: 81693 101783) | |
| Capitanian | USA (Texas) | Worthenia pilula (101798) |