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Taxonomy
Venus ensifera was named by Dall (1909). Its type specimen is USNM 3611, a shell, and it is a 3D body fossil.
It was recombined as Chione (Chione) ensifera by Etherington (1931); it was recombined as Chione ensifera by Weaver (1942); it was recombined as Securella ensifera by Parker (1949); it was recombined as Chione (Securella) ensifera by Moore (1963).
It was recombined as Chione (Chione) ensifera by Etherington (1931); it was recombined as Chione ensifera by Weaver (1942); it was recombined as Securella ensifera by Parker (1949); it was recombined as Chione (Securella) ensifera by Moore (1963).
Subspecies
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1909 | Venus ensifera Dall pp. 122, 123 |
| 1931 | Chione (Chione) ensifera Etherington p. 79 figs. Plate 7, figures 4, 5, 6, 7, 8; plate 8, figures 1, 2; plate 9, figures 4, 5, 8, 11 |
| 1942 | Chione ensifera Weaver p. 164 |
| 1949 | Securella ensifera Parker p. 590 figs. Plate 95, figure 4; plate 93, figures 3, 10, 12; Plate 94, figures 4, 18, 20 |
| 1963 | Chione (Securella) ensifera Moore p. 75 figs. Plate 26, figures 1, 2, 7, 9, 10; plate 27, figures 1-8, 10, 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.
†Chione (Securella) ensifera Dall 1909
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†Chione ensifera chehalisensis Weaver 1912
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Age range: base of the Chattian to the top of the Late/Upper Miocene or 27.30000 to 5.33300 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chattian | USA (Washington) | Securella ensifera (37576 37577 37579 37580 37583 37585 37588 37589 37590 37592) | |
| Aquitanian | USA (Washington) | Securella ensifera (37560) | |
| Early/Lower Miocene | USA (Washington) | Securella ensifera (37574) | |
| Burdigalian | USA (Oregon) | Chione ensifera (39805) | |
| Burdigalian - Langhian | USA (Oregon) | Chione ensifera (39586) | |
| Langhian | USA (Oregon) | Chione ensifera (39799 39801) | |
| Late/Upper Miocene | USA (Alaska) | Chione ensifera (44098) |