Biology:Toxasteridae

Toxasteridae; Temporal range: Cretaceous PreЄ Є O S D C P T J K Pg N
	Fossil of Heteraster oblongus from France, on display at Galerie de paléontologie et d'anatomie comparée in Paris
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Echinoidea
Order:	Spatangoida
Family:	†Toxasteridae; J. Lambert, 1920

Short description: Extinct family of sea urchins

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.^[1]

Genera

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Original source: https://en.wikipedia.org/wiki/Toxasteridae. Read more

Toxasteridae Temporal range: Cretaceous PreЄ Є O S D C P T J K Pg N ^[1]

Fossil of Heteraster oblongus from France, on display at Galerie de paléontologie et d'anatomie comparée in Paris
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Echinoidea
Order:	Spatangoida
Family:	†Toxasteridae J. Lambert, 1920