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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Rigbyetia
Taxonomy
Rigbyetia was named by Webby and Lin (1988) [Sepkoski's age data: O u Sepkoski's reference number: 941]. It is not extant.
It was assigned to Calcarea by Sepkoski (2002); and to Cliefdenellidae by Rigby et al. (2008).
It was assigned to Calcarea by Sepkoski (2002); and to Cliefdenellidae by Rigby et al. (2008).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Rigbyetia Webby and Lin |
| 2002 | Rigbyetia Sepkoski |
| 2008 | Rigbyetia Rigby et al. |
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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 | |||||
| References: Whittington et al. 1997, Kiessling 2004 | |||||
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandeilian - Caradoc | USA (Alaska) | Cliefdenella obconica (99664) | |
| Caradoc - Ashgill | USA (California) | R. obconica (119887) | |
| Ashgill | USA (California) | Cliefdenella obconica (69241 99696 99697 99698 99699 99805) |