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

Tropidaster

Asteroidea - Tropidasteridae

Taxonomy
Tropidaster was named by Forbes (1850) [Sepkoski's age data: J Plie-l J Plie-u Sepkoski's reference number: 934,1066]. It is not extant. Its type is Tropidaster pectinatus. It is the type genus of Tropidasteridae.

It was assigned to Tropidasteridae by Wright (1880) and Spencer and Wright (1966); and to Valvatida by Sepkoski (2002).

Synonymy list
YearName and author
1850Tropidaster Forbes
1880Tropidaster Wright
1966Tropidaster Spencer and Wright p. U68
2002Tropidaster Sepkoski, Jr.

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

RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumAsterozoa
classAsteroidea
RankNameAuthor
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderSurculifera
Spinulosida()
Velatida()
familyTropidasteridae
genusTropidaster

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