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Pleurocystites laevis
Taxonomy
Pleurocystites laevis was named by Raymond (1921). It is the type species of Amecystis, Pleurocystites.
It was recombined as Amecystis laevis by Ulrich and Kirk (1921), Parsley (1970) and Parsley (1981).
It was recombined as Amecystis laevis by Ulrich and Kirk (1921), Parsley (1970) and Parsley (1981).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1921 | Pleurocystites laevis Raymond pp. 2-3 figs. pI. 2, figs. 1-3 |
| 1921 | Amecystis laevis Ulrich and Kirk pp. 147-148 |
| 1945 | Amecystis cordiformis Sinclair |
| 1970 | Amecystis laevis Parsley pp. 192 - 194 figs. PI. 26, fig. 5; PI. 29, figs. 1-5; PI. 30, figs. 5, 6; Text-fig. 8 |
| 1981 | Amecystis laevis Parsley p. 2 fig. 1 |
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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.
†Pleurocystites laevis Raymond 1921
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Parsley 1970 | Amecystis with flattened, evenly sagittate theca; thecal plates thin, smooth or with pustulose prosopon. |