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Undulella
Taxonomy
Undulella was named by Cooper and Grant (1969) [Sepkoski's age data: P Leon-u P Guad-l Sepkoski's reference number: 7]. Its type is Undulella undulata.
It was assigned to Undulellinae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
It was assigned to Undulellinae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Undulella Cooper and Grant p. 5 |
| 2000 | Undulella Williams et al. p. 421 |
| 2002 | Undulella Sepkoski |
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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.
G. †Undulella Cooper and Grant 1969
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†Undulella guadalupensis Cooper and Grant 1975
†Undulella matutina Cooper and Grant 1975
†Undulella undulata Cooper and Grant 1969
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 27 | 1.43 | 0.700 | 2.30 | 1.40 | 0.441 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian | USA (Texas) | U. guadalupensis (81722 102602 106021) U. matutina (101783 102621 106109) U. undulata (43548 43551 43553 81645 102614 105887) | |
| Wordian | USA (Texas) | U. guadalupensis (81636) U. undulata (43550) |