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Archegonaster pentagonus

Somasteroidea -

Taxonomy
Archegonaster pentagonus was named by Spencer (1951). It is not extant. Its type specimen is Collection Narodni, Museum of Prague, Holotype E.H. 7. It is the type species of Archegonaster.

Synonymy list
YearName and author
1951Archegonaster pentagonus Spencer p. 101 figs. 9-10, 12-15, pl. 2, fig. 1; pl. 3, fig.
1965Archegonaster pentagonus Owen p. 543
1966Archegonaster pentagonus Spencer and Wright p. U41 figs. fig. 39.3
2005Archegonaster pentagonus Dean Shackleton p. 64 figs. pl. 3 fig. 1

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
RankNameAuthor
phylumEchinodermata
subphylumAsterozoa
classSomasteroidea()
genusArchegonaster
speciespentagonus

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
ReferenceDiagnosis
J. Dean Shackleton 2005As for the genus, by monotypy