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Ceramaster chantrei
Taxonomy
Pentagonaster chantrei was named by de Loriol (1895). It is not extant. Its type specimen is Museum d'Histoire Naturelle (Musée Guimet) in Lyon, Holotype 15380.
It was recombined as Ceramaster chantrei by Breton (1992) and Breton et al. (1994).
It was recombined as Ceramaster chantrei by Breton (1992) and Breton et al. (1994).
Synonymy list
| Year | Name and author |
|---|---|
| 1895 | Pentagonaster chantrei de Loriol pp. 6-7 fig. 1 |
| 1992 | Ceramaster chantrei Breton pp. 195-196 |
| 1994 | Ceramaster chantrei Breton et al. pp. 54-56 |
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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.
†Ceramaster chantrei de Loriol 1895
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. Breton et al. 1994 | Animal of rather large size, with a polygonal disk and short arms. Sides of the disc are nearly straight. They are 10 pairs of marginals per half-interradial arc. Same number of superomarginal and inferomarginal plates. Superomarginals are separated by abactinals to the arm tip. Superomarginals seem to be slightly smaller than inferomarginals. Marginals are squared, slightly larger than long. Actinolateral plates small, lozenge. Ornament not visible. |