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Petalaxis confertus
Taxonomy
Petalaxis confertus was named by Kozyreva (1974).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Petalaxis confertus Kozyreva p. 27 figs. pl. 1, figs. 2a, b, 3a; b |
| 1983 | Petalaxis confertus 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 confertus Kozyreva 1974
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. J. Sando 1983 | Petalaxis with corallite diameter 8 to 12 mm and 19 to 20 major septa that commonly approach the columella but do not extend into the dissepimen-tarium·. Minor septa absent. Columella a simple thickened axial plate connected to the counter septum. Dissepimentarium composed of 1 to 3 rows of inflated dissepiments of varying sizes. Tabulae mostly in-complete, varying in attitude, and irregularly spaced 0.25 to 1 mm apart. Ratio of tabularium width to corallite diameter about 0.4 to 0.5. Mode of increase unknown. |
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