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Worthenia crenulata
Taxonomy
Worthenia crenulata was named by Batten (1989). It is not extant. Its type specimen is AMNH 43656.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Worthenia crenulata Batten |
| 2002 | Worthenia crenulata Blodgett et al. p. 488 figs. f. 10e |
| 2021 | Worthenia crenulata Quiroz-Barroso et al. p. 7 fig. 3.4 |
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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.
†Worthenia crenulata Batten 1989
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 9.97 | 7.30 | 11.8 | 10.8 | 2.08 | |
| shell diameter | 4 | 8.95 | 6.10 | 12.0 | 9.80 | 2.98 |
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| Source: o = order | |||||
| Reference: Bambach et al. 2007 | |||||
Age range: base of the Asselian to the top of the Capitanian or 298.90000 to 259.51000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | USA (Texas) | Worthenia crenulata (75938) | |
| Artinskian | USA (Texas) | Worthenia crenulata (81683) | |
| Artinskian | USA (New Mexico) | Worthenia crenulata (101800) | |
| Kungurian | Mexico (Sonora) | Worthenia crenulata (52100) | |
| Kungurian | USA (Texas) | Worthenia crenulata (43517 81592) | |
| Kungurian | Mexico (Chiapas) | Worthenia crenulata (183478) | |
| Roadian | USA (Texas) | Worthenia crenulata (81693 101767) | |
| Capitanian | USA (Texas) | Worthenia crenulata (101809) |