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

Eoactis

Asteroidea - Pustulosida - Eoactinidae

Taxonomy
Eoactis was named by Spencer (1914) [Sepkoski's age data: S Ldov]. Its type is Eoactis simplex. It is the type genus of Eoactinidae.

It was synonymized subjectively with Urasterella by Schuchert (1915).

It was assigned to Palasterinidae by Owen (1965); to Eoactinidae by Spencer (1922) and Spencer and Wright (1966); and to Uractinida by Sepkoski (2002).

Synonymy list
YearName and author
1914Eoactis Spencer p. 30
1922Eoactis Spencer pp. 205-206
1965Eoactis Owen p. 563
1966Eoactis Spencer and Wright p. U53
2002Eoactis Sepkoski, Jr.

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

RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumAsterozoa
classAsteroidea
orderPustulosida()
superfamilyPromopalaeasteraceae
familyEoactinidae
genusEoactis

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
No diagnoses are available