Toxasteridae

Updated on Jan 01, 2025

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Superorder Atelostomata Rank Family Kingdom Animalia		Phylum Echinodermata Order Spatangoida Class Echinoidea

Similar Hemiasteridae, Spatangoida, Holasteridae, Saleniidae, Heteraster

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

(Text) CC BY-SA