Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy External Literature Search Age range and collections

Archegonasteridae (disused)

Somasteroidea - Archegonasteridae

Synonymy list
YearName and author
1951Archegonasteridae Spencer p. 101
1965Archegonasteridae Owen p. 543
1966Archegonasteridae Spencer and Wright p. U41
1989Archegonasteridae Blake p. 212
2005Archegonasteridae Dean Shackleton p. 64

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
RankNameAuthor
phylumEchinodermata
subphylumAsterozoa
classSomasteroidea()
familyArchegonasteridae
familyArchegonasteridae

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
W. K. Spencer 1951Somasteroidea with bodies bounded by a stout margin frame, approximately pentagonal in outline, rows of virgalia confined to wedge-shaped area within the outer angles of the pentagon, proximal tube feet were buccal tentacles. Adambulacralia present.