Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Promarginifera
Taxonomy
Promarginifera is a genus. It is not extant.
It was assigned to Retariini by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
It was assigned to Retariini by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
2000 | Promarginifera Williams et al. p. 475 |
2002 | Promarginifera 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.
G. †Promarginifera
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
References: Nesnidal et al. 2013, Williams et al. 2000, Aberhan et al. 2004 |
Age range: base of the Visean to the top of the Arnsbergian or 346.70000 to 323.70000 Ma
Collections (3 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Visean | United Kingdom (Scotland) | P. trearnensis (92517) | |
Pendleian | United Kingdom (England) | P. sp. (162352) | |
Arnsbergian | United Kingdom (England) | P. sp. (162362) |