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Petalaxis persubtilis
Taxonomy
Petalaxis persubtilis was named by Kozyreva (1974).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Petalaxis persubtilis Kozyreva p. 27 figs. pl. 1, figs. 4a-c, 5, 6 |
| 1983 | Petalaxis persubtilis Sando p. 33 |
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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.
†Petalaxis persubtilis Kozyreva 1974
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. J. Sando 1983 | Petalaxis with corallite diameter 9 to 15 mm and 15 to 17 major septa that commonly approach the columella and may or may not extend into the dissepimentarium. Minor septa absent or variably developed. Columella absent or weakly developed as a simple axial plate connected to the counter septum. Dissepimentarium composed of 2 to 4 rows of large in-flated dissepiments. Tabulae complete, horizontal, commonly weakly turned up at columella, and irregularly spaced 0.25 to 1 mm apart. Ratio of tabularium width to corallite diameter 0.3 to 0.4. Increase peripheral. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections
No collection or age range data are available