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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Pegmathyris
Taxonomy
Pegmathyris was named as a genus. It is not extant. Its type is Dallina miyatokoensis.
It was reranked as Dallina (Pegmathyris) by Hatai (1940).
It was assigned to Dallina by Hatai (1940); to Terebratulida by Sepkoski (2002); and to Dallininae by Williams et al. (2007).
It was reranked as Dallina (Pegmathyris) by Hatai (1940).
It was assigned to Dallina by Hatai (1940); to Terebratulida by Sepkoski (2002); and to Dallininae by Williams et al. (2007).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1940 | Dallina (Pegmathyris) Hatai p. 325 |
| 2002 | Pegmathyris Sepkoski |
| 2007 | Pegmathyris Williams et al. p. 2810 |
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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
No measurements are available
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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: base of the Serravallian to the top of the Tortonian or 13.82000 to 7.24600 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Serravallian | Japan | P. miyatokoensis (190762) | |
| Tortonian | Japan | P. miyatokoensis (190763) |