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Isorthis (Tyersella) amplificata
Taxonomy
Isorthis amplificata was named by Walmsley (1965).
It was recombined as Tyersella amplificata by Johnson (1970); it was recombined as Isorthis (Tyersella) amplificata by Walmsley and Boucot (1975) and Sheehan (1976).
It was recombined as Tyersella amplificata by Johnson (1970); it was recombined as Isorthis (Tyersella) amplificata by Walmsley and Boucot (1975) and Sheehan (1976).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Isorthis amplificata Walmsley p. 469 figs. Pl. 61, figs. 1-30 |
| 1970 | Tyersella amplificata Johnson p. 74 |
| 1975 | Isorthis (Tyersella) amplificata Walmsley and Boucot p. 56 figs. PI. 1 figs. 9-13 |
| 1976 | Isorthis (Tyersella) amplificata Sheehan p. 716 figs. Pl. 3, figs. 9-16 |
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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.
†Isorthis (Tyersella) amplificata Walmsley 1965
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Diagnosis
No diagnoses are available