Toxasteridae is an extinct family of sea urchins.

These slow-moving shallow infaunal deposit feeder-detritivores lived during the Cretaceous period, from 145.5 to 61.7 Ma.

Genera

  • Adytaster
  • Aphelaster
  • Douvillaster
  • Enallopneustes
  • Heteraster
  • Isaster
  • Isomicraster
  • Macraster
  • Mokotibaster
  • Palmeraster
  • Polydesmaster
  • Toxaster