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Willwerathia
Taxonomy
Willwerathia was named by Størmer (1969) [Sepkoski's age data: D Emsi-l Sepkoski's reference number: 360]. It is not extant.
It was assigned to Eurypterida by Sepkoski (2002); and to Xiphosura by Lamsdell (2013) and Dunlop et al. (2020).
It was assigned to Eurypterida by Sepkoski (2002); and to Xiphosura by Lamsdell (2013) and Dunlop et al. (2020).
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1969 | Willwerathia Størmer |
2002 | Willwerathia Sepkoski |
2013 | Willwerathia Lamsdell p. 20 |
2020 | Willwerathia Dunlop et al. p. 9 |
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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. †Willwerathia Størmer 1969
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: c = class | |||||
Reference: Bambach et al. 2007 |
Age range: Early/Lower Emsian or 409.10000 to 402.50000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Early/Lower Emsian | Germany (Alken) | W. laticeps (27049) |