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Deltarhynchia
Taxonomy
Deltarhynchia was named by Cooper (1989) [Sepkoski's age data: J Bath-l Sepkoski's reference number: 877]. It is not extant. Its type is Deltarhynchia triangulata.
It was assigned to Rhynchonellida by Sepkoski (2002); and to Tetrarhynchiinae by Williams et al. (2002).
It was assigned to Rhynchonellida by Sepkoski (2002); and to Tetrarhynchiinae by Williams et al. (2002).
Species
D. triangulata (syn. D. compacta) (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Deltarhynchia Cooper |
| 2002 | Deltarhynchia Sepkoski |
| 2002 | Deltarhynchia Williams et al. p. 1347 |
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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. †Deltarhynchia Cooper 1989
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†Deltarhynchia triangulata Cooper 1989
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Invalid names: Deltarhynchia compacta Cooper 1989 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 17.3 | 14.0 | 20.0 | 18.0 | 2.70 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Late/Upper Bajocian to the top of the Bathonian or 168.60000 to 165.30000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Bajocian | Saudi Arabia | D. triangulata (141338) | |
| Bathonian | Saudi Arabia | D. compacta, D. triangulata (98957) D. triangulata (98766 98772 98773) |