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Viridisaster guerangeri
Taxonomy
Viridisaster guerangeri was named by Fau and Villier (2023). It is not extant. Its type specimen is Holotype MHNLM 2003.1.10734. It is the type species of Viridisaster.
Synonymy list
| Year | Name and author |
|---|---|
| 2023 | Viridisaster guerangeri Fau and Villier p. 4 |
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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.
†Viridisaster guerangeri Fau and Villier 2023
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. Fau and L. Villier 2023 | Forcipulatacean asteroid with five long and slender arms, small disc, and a relatively compact skeleton. Disc composed of five enlarged, differentiated primary radials and five primary interradials. Primary radials bearing two spines each, similar in shape to the carinals, but slightly bigger. Primary interradials bearing one primary spine each. Madreporite close to the disc edge, set between one of the primary interradials and the two most proximal marginals. Wall skeleton organized in regular transverse and longitudinal rows. Arms composed of at least seven series of plates; a series of enlarged carinals, and two series of abactinals, two series of marginals and at least two series of actinals. Carinals’ quadrate short, wider than long, bearing two primary spines aligned proximo-distally and numerous secondary spines. Primary spines absent on the abactinal plates of the arms, secondary spines numerous. Marginals higher than long, with one primary spine, except for the two most proximal marginals, which are ‘Y’-shaped and do not bear any primary spines. Primary spine attachments well developed on marginals and actinals as prominent pustules: tall, distally
swollen, central spine bases and prominent groove for spine attachment. |
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004 | |||||
Collections
No collection or age range data are available