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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Polycidaris spinosa
Taxonomy
Cidaris spinosa was named by Agassiz (1840).
It was recombined as Polycidaris spinosa by Hostettler and Menkveld-Gfeller (2015).
It was recombined as Polycidaris spinosa by Hostettler and Menkveld-Gfeller (2015).
Sister species lacking formal opinion data
Entered
by M. Clapham on 2013-05-28
Synonymy list
| Year | Name and author |
|---|---|
| 1840 | Cidaris spinosa Agassiz |
| 2015 | Polycidaris spinosa Hostettler and Menkveld-Gfeller p. 202 figs. Pl 1, fig 5 |
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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.
†Polycidaris spinosa Agassiz 1840
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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 1992 | |||||
Age range: Late/Upper Oxfordian or 157.90000 to 154.80000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Oxfordian | Switzerland | Polycidaris spinosa (196408) | |
| Middle Oxfordian | France | Polycidaris spinosa (163585) | |
| Late/Upper Oxfordian | Switzerland | Polycidaris spinosa (196409) |