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Yoldia cooperi tenuissima
Taxonomy
Yoldia cooperi tenuissima was named by Clark (1918) [DISTRIBUTION: Late Oligocene; Pacific Coast, North America.]. Its type specimen is UCMP 11110, a shell, and it is a 3D body fossil.
It was recombined as Yoldia cooperii tenuissima by Clark (1918); it was recombined as Yoldia tenuissima by Clark (1925); it was recombined as Yoldia (Kalayoldia) tenuissima by Addicott (1973) and Moore (1983).
It was recombined as Yoldia cooperii tenuissima by Clark (1918); it was recombined as Yoldia tenuissima by Clark (1925); it was recombined as Yoldia (Kalayoldia) tenuissima by Addicott (1973) and Moore (1983).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1918 | Yoldia cooperi tenuissima Clark pp. 125 - 126 figs. Plate 11, figure 10; Plate 12, figures 8 and 14 |
| 1918 | Yoldia cooperii tenuissima Clark pp. 125-126 figs. pl. 11, fig. 10 |
| 1925 | Yoldia tenuissima Clark pp. 78-79 |
| 1973 | Yoldia (Kalayoldia) tenuissima Addicott p. 22 figs. Plate 1, figures 2, 3, 5, 8 |
| 1983 | Yoldia (Kalayoldia) tenuissima Moore p. A24 figs. Plate 3, figure 10 |
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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.
†Yoldia cooperi tenuissima Clark 1918
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Diagnosis
No diagnoses are available