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

Tropidasteridae

Asteroidea - Tropidasteridae

Taxonomy
Tropidasteridae was named by Wright (1880). It is not extant. Its type is Tropidaster.

It was assigned to Eugnathina by Spencer and Wright (1966); and to Velatida by Blake (1987) and Blake (1989).

Synonymy list
YearName and author
1880Tropidasteridae Wright
1966Tropidasteridae Spencer and Wright p. U67
1987Tropidasteridae Blake
1989Tropidasteridae Blake p. 213

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
familyTropidasteridae

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