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Cancellospirifer
Taxonomy
Cancellospirifer was named by Campbell (1953) [Sepkoski's age data: P]. Its type is Cancellospirifer maxwelli.
It was assigned to Spiriferida by Sepkoski (2002); to Angiospiriferini by Waterhouse (2004); and to Sergospiriferinae by Williams et al. (2006).
It was assigned to Spiriferida by Sepkoski (2002); to Angiospiriferini by Waterhouse (2004); and to Sergospiriferinae by Williams et al. (2006).
Species
C. maxwelli (type species)
Entered
by J. Sepkoski on 2003-01-23; modified by M. Clapham on 2020-04-21
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Cancellospirifer Campbell p. 10 |
| 2002 | Cancellospirifer Sepkoski |
| 2004 | Cancellospirifer Waterhouse |
| 2006 | Cancellospirifer Williams et al. p. 1779 |
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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.
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 12.0 | 9.50 | 18.0 | 10.0 | 4.77 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: Wuchiapingian or 259.51000 to 254.14000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | Australia (Queensland) | C. maxwelli (97269 103189 123234 123235 209606 209607) |