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Dumblea
Taxonomy
Dumblea was named by Cragin (1893) [Sepkoski's age data: K l K Albi Sepkoski's reference number: 342]. Its type is Dumblea symmetrica.
It was assigned to Pseudodiadematidae by Fell and Pawson (1966); to Pedinidae by Fell (1966); and to Hemicidaroida by Sepkoski (2002).
It was assigned to Pseudodiadematidae by Fell and Pawson (1966); to Pedinidae by Fell (1966); and to Hemicidaroida by Sepkoski (2002).
Species
D. symmetrica (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1893 | Dumblea Cragin p. 149 |
| 1966 | Dumblea Fell p. U365 |
| 1966 | Dumblea Fell and Pawson p. U387 |
| 2002 | Dumblea 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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Kiessling 2004, Aberhan et al. 2004, Aberhan 1992 | |||||
Age range
Maximum range based only on fossils: Middle Albian or 109.00000 to 105.30000 Ma
Minimum age of oldest fossil (stem group age): 105.3 Ma
Minimum age of oldest fossil (stem group age): 105.3 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Albian | USA (Texas) | D. symmetrica (239475 239476 239477 239478) |