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Crateraster grignonensis
Taxonomy
Pycinaster grignonensis was named by Valette (1925). It is not extant. Its type specimen is Université de Bourgogne, Valette's collection.
It was recombined as Crateraster grignonensis by Breton and Vizcaïno (1997).
It was recombined as Crateraster grignonensis by Breton and Vizcaïno (1997).
Synonymy list
| Year | Name and author |
|---|---|
| 1925 | Pycinaster grignonensis Valette p. 193 fig. 7 |
| 1997 | Crateraster grignonensis Breton and Vizcaïno p. 24 |
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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.
†Crateraster grignonensis Valette 1925
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. Breton and D. Vizcaïno 1997 | Lateral faces slightly concave and bordered by a thick, prominent rim. External face with very fine, dense, regularly spaced granule-pits. Ornament of abactinal plates similar to that of the marginals. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Blake 1990, Aberhan et al. 2004, Aberhan 1992 | |||||
Collections
No collection or age range data are available