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Skiaster
Taxonomy
Skiaster was named by Blake and Jagt (2005). It is not extant. Its type is Skiaster vikingr. It was considered monophyletic by Blake and Jagt (2005).
It was assigned to Pseudarchasterinae by Blake and Jagt (2005); and to Pseudarchasteridae by Gale (2020).
It was assigned to Pseudarchasterinae by Blake and Jagt (2005); and to Pseudarchasteridae by Gale (2020).
Species
S. vikingr (type species)
Synonymy list
Year | Name and author |
---|---|
2005 | Skiaster Blake and Jagt p. 185 |
2020 | Skiaster Gale p. 312 |
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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 | |
---|---|---|
D. B. Blake and J.W.M. Jagt 2005 | Pseudarchasterine with pentagonal disc and superomarginals abutted at dorsal arm midlines, the abutted arrangement extending from the proximal end of the arm. Abactinals paxilliform, slender and columnar to robust with a flaring base and short re-entrant below crown. |