| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Seleneceme
Taxonomy
Seleneceme was named by Clark (1924) [Sepkoski's age data: O Aren-u O Llvi-l Sepkoski's reference number: 2,378,726]. It is not extant.
It was assigned to Asaphida by Sepkoski (2002); and to Alsataspididae by Jell and Adrain (2002).
It was assigned to Asaphida by Sepkoski (2002); and to Alsataspididae by Jell and Adrain (2002).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Seleneceme Clark |
| 1940 | Alsataspis Turner |
| 2002 | Seleneceme Jell and Adrain p. 443 |
| 2002 | Seleneceme 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: g = genus, c = class | |||||
| References: Whittington et al. 1997, Aberhan et al. 2004 | |||||
Age range: base of the Early/Lower Llanvirn to the top of the Arenig or 468.00000 to 466.00000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arenig | United Kingdom (England) | S. sp. (3706) | |
| Early/Lower Llanvirn | United Kingdom | S. acuticaudata (69813) | |
| Early/Lower Llanvirn | United Kingdom (Wales) | S. acuticaudata (69843 69844) | |
| Early/Lower Llanvirn | United Kingdom (England) | S. sp. (3707) |