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Glyptocidaris
Taxonomy
Glyptocidaris was named by Agassiz (1853) [Sepkoski's age data: T Eo-l R Sepkoski's reference number: 942]. It is extant.
It was assigned to Phymosomatidae by Nisiyama (1966), Fell and Pawson (1966) and Linder et al. (1988); and to Phymosomatoida by Sepkoski (2002).
It was assigned to Phymosomatidae by Nisiyama (1966), Fell and Pawson (1966) and Linder et al. (1988); and to Phymosomatoida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1853 | Glyptocidaris Agassiz |
| 1966 | Glyptocidaris Fell and Pawson p. U398 |
| 1966 | Glyptocidaris Nisiyama p. 192 |
| 1988 | Glyptocidaris Linder et al. p. 946 |
| 2002 | Glypotocidaris 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. Glyptocidaris Agassiz 1853
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Subg. †Glyptocidaris (Eoglyptocidaris) Nisiyama 1966
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†Glyptocidaris (Eoglyptocidaris) arctina Nisiyama 1966
Glyptocidaris crenularis Agassiz 1853
†Glyptocidaris crenularis stenozona Nisiyama 1966
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Kiessling 2004, Aberhan 1992 | |||||
Age range
Maximum range based only on fossils: base of the Chattian to the top of the Gelasian or 28.10000 to 1.80600 Ma
Minimum age of oldest fossil (stem group age): 23.03 Ma
Minimum age of oldest fossil (stem group age): 23.03 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oligocene | Japan (Teshio) | G. arctina (204381) | |
| Chattian | USA (Oregon) | G. sp. (90569) | |
| Gelasian | Japan (Chiba) | G. crenularis (204372) | |
| Pleistocene | Japan (Chiba) | G. crenularis (204380) |