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Atelithyris
Taxonomy
Atelithyris was named by Smirnova (1975) [Sepkoski's age data: K Berr K Haut-l Sepkoski's reference number: 538]. Its type is Atelithyris crestensis.
It was assigned to Terebratulida by Sepkoski (2002); and to Harpotothyrididae by Williams et al. (2006).
It was assigned to Terebratulida by Sepkoski (2002); and to Harpotothyrididae by Williams et al. (2006).
Species
A. crestensis (type species)
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Atelithyris Smirnova p. 77 |
| 2002 | Atelithyris Sepkoski |
| 2006 | Atelithyris Williams et al. p. 2124 |
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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 | 4 | 18.9 | 17.5 | 21.0 | 18.6 | 1.49 |
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Early/Lower Valanginian to the top of the Early/Lower Hauterivian or 137.05000 to 125.77000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Valanginian | Russian Federation | A. benjamovskii (68923) | |
| Early/Lower Hauterivian | Russian Federation | A. crestensis (164371) |