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Hedeina crispa
Taxonomy
Anomia crispa was named by Linnaeus (1758). It is not extant.
It was recombined as Striispirifer crispus by Bassett and Cocks (1974); it was recombined as Hedeina crispa by Boucot (1957), Jin and Chatterton (1997).
It was recombined as Striispirifer crispus by Bassett and Cocks (1974); it was recombined as Hedeina crispa by Boucot (1957), Jin and Chatterton (1997).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Hedeina crispa Boucot |
| 1974 | Striispirifer crispus Bassett and Cocks |
| 1997 | Hedeina crispa Jin and Chatterton |
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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.
†Hedeina crispa Linnaeus 1758
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: base of the Wenlock to the top of the Ludfordian or 432.90000 to 422.70000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wenlock | Ireland | Hedeina crispa (500) | |
| Ludfordian | Sweden (Gotland) | Hedeina crispa (13532) |