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Petalaxis belinskiensis
Taxonomy
Petalaxis mccoyana belinskiensis was named by Fomichev (1953).
It was recombined as Petalaxis belinskiensis by Sando (1983).
It was recombined as Petalaxis belinskiensis by Sando (1983).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Petalaxis mccoyana belinskiensis Fomichev p. 457 figs. pl. 31, figs. 3a, b |
| 1983 | Petalaxis belinskiensis Sando p. 29 |
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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 belinskiensis Fomichev 1953
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. J. Sando 1983 | Petalaxis with corallite diameter 7 to 12 mm and 1H to 24 major septa that approach the col-umella but seldom reach it and commonly extend into the dissepimentarium. Minor septa well developed. Col-umella a simple thickened axial plate ordinarily con-nected to the counter septum. Dissepimentarium com-posed of 1 to 3 rows of inflated dissepiments of varying sizes. Tabulae mostly complete, essentially horizontal, and spaced 0.25·to 0.5 mm apart. Ratio of tabularium width to corallite diameter about 0.4 to 0.5. Mode of in-crease 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