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Hesperomena
Taxonomy
Hesperomena was named by Cooper (1956) [Sepkoski's age data: O Llvi-u Sepkoski's reference number: 1,878].
It was assigned to Strophomenida by Sepkoski (2002); and to Hesperomenidae by Williams et al. (2000), Benedetto (2012).
It was assigned to Strophomenida by Sepkoski (2002); and to Hesperomenidae by Williams et al. (2000), Benedetto (2012).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Hesperomena Cooper pp. 744 - 745 |
| 2000 | Hesperomena Williams et al. p. 337 |
| 2002 | Hesperomena Sepkoski |
| 2012 | Hesperomena Benedetto p. 439 |
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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. †Hesperomena Cooper 1956
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†Hesperomena canadensis Norford and Ross 1978
†Hesperomena leptellinoidea Cooper 1956
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: Darriwilian or 469.40000 to 458.20000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Whiterockian | USA (Nevada) | H. leptellinoidea (104443 186635 210662) | |
| Darriwilian | USA (British Columbia) | H. canadensis (149570) |