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Strophomena occidentalis
Taxonomy
Strophomena fluctuosa occidentalis was named by Foerste (1912) [= Strophomena fluctuosa Billings; Winchell and Schuchert 1893, p. 395, Pl. 31, figs. 14-17.].
It was recombined as Strophomena occidentalis by Wang (1949), Jin et al. (1997).
It was recombined as Strophomena occidentalis by Wang (1949), Jin et al. (1997).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1912 | Strophomena fluctuosa occidentalis Foerste p. 113 figs. Pl. 9, figs. 17a-d; Pl. 10, figs. 9a-e |
| 1949 | Strophomena occidentalis Wang p. 24 figs. Pl. 7A, figs. 1-8. |
| 1997 | Strophomena occidentalis Jin et al. p. 28 figs. Plate 7, figures 5-11 |
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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.
†Strophomena occidentalis Foerste 1912
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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: Aberhan et al. 2004, Hendy 2009, Nesnidal et al. 2013 | |||||
Age range: base of the Maysvillian to the top of the Richmondian or 450.20000 to 445.50000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Edenian - Maysvillian | USA (Illinois, Iowa) | Strophomena occidentalis (23810) | |
| Edenian - Maysvillian | USA (Minnesota) | Strophomena occidentalis (23282) | |
| Maysvillian | Canada (Manitoba) | Strophomena occidentalis (166451) | |
| Maysvillian | USA (Minnesota) | Strophomena occidentalis (23283) | |
| Richmondian | Canada (Manitoba) | Strophomena occidentalis (166635) |