†family Tropidasteridae Wright 1880 (sea star)
Asteroidea - Spinulosida - Tropidasteridae
Full reference: T. Wright. 1880. Monograph of the British fossil Echinodermata from the oolithic formations. Volume 2 - The Asteroidea and Ophiuroidea. Part 3. Monograph of the Palaeontographical Society 1880:155-203
Parent taxon: Velatida according to D. B. Blake 1989
See also Blake 1987 and Spencer and Wright 1966
Sister taxa: Caymanostellidae, Decacuminaster, Korethrasteridae, Myxasteridae, Plesiastropecten, Pterasteridae, Solasteridae, Xandarosaster
Subtaxa: Plumaster Tropidaster
Type: Tropidaster
Ecology: epifaunal carnivore-detritivore
Distribution:
• Jurassic of France (2 collections), the United Kingdom (1)
Total: 3 collections including 4 occurrences