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Savignasterias
Taxonomy
Savignasterias was named by Gale (2011). It is not extant.
It was assigned to Asteriidae by Gale (2011).
It was assigned to Asteriidae by Gale (2011).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2011 | Savignasterias Gale p. 86 |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. S. Gale 2011 | Asteriidae in which the arm is made up of rows (1 radial, 2 adradial, 2 superomarginal, 2 inferomarginal). Quadriradiate marginals and abactinals are distinctively constructed of coarse anastomosing trabeculae, and a single large sub-central spine base is present on all but the adradial ossicle rows. The sculpture distinguishes Savignasterias from all other asteriids. |