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Stauranderaster speculum
Taxonomy
Stauranderaster speculum was named by Brünnich-Nielsen (1943). It is not extant. Its type specimen is Geological Museum, Copenhagen.
Synonymy list
| Year | Name and author |
|---|---|
| 1943 | Stauranderaster speculum Brünnich-Nielsen p. 64 figs. pl. 4, fig. 36 |
| 1950 | Stauranderaster speculum Rasmussen p. 89 figs. pl. 10, fig. 36 |
| 1979 | Stauranderaster speculum Rasmussen p. 70 |
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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.
†Stauranderaster speculum Brünnich-Nielsen 1943
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. W. Rasmussen 1950 | A Stauranderaster which has had ossicles of a peculiar irregular outline, 'breastplate-shaped'. The outer surface of the ossicle has formed a small smooth projecting portion. |
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||
Collections
No collection or age range data are available