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Cancellothyris
Taxonomy
Cancellothyris is a genus. It is extant. It is the type genus of Cancellothyrididae, Cancellothyridinae.
It was assigned to Terebratulida by Sepkoski (2002); and to Cancellothyridinae by Cooper (1973), Williams et al. (2006).
It was assigned to Terebratulida by Sepkoski (2002); and to Cancellothyridinae by Cooper (1973), Williams et al. (2006).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1973 | Cancellothyris Cooper p. 374 |
| 2002 | Cancellothyris Sepkoski |
| 2006 | Cancellothyris Williams et al. p. 2145 |
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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.
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†Cancellothyris africana Elliott 1954
†Cancellothyris ascotensis Craig 1999
Cancellothyris hedleyi Finlay 1927
†Cancellothyris platys Brunton and Hiller 1990
†Cancellothyris platys petalos Brunton and Hiller 1990
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 21.4 | 18.6 | 28.6 | 20.0 | 3.90 |
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range
Maximum range based only on fossils: base of the Lutetian to the top of the Calabrian or 48.07000 to 0.77400 Ma
Minimum age of oldest fossil (stem group age): 41.03 Ma
Minimum age of oldest fossil (stem group age): 41.03 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lutetian | Tanzania | C. africana (190869) | |
| Messinian | South Africa | C. platys (152993 152994 152998 153001) | |
| Gelasian | Australia (Western Australia) | C. ascotensis (187442) | |
| Calabrian | Australia (Western Australia) | C. ascotensis (187443) |