Toxasteridae

Toxasteridae is an extinct family of sea urchins.

Toxasteridae
Temporal range: Cretaceous [1]
Fossil of Heteraster oblongus from France, on display at Galerie de paléontologie et d'anatomie comparée in Paris
Scientific classification
Kingdom:
Animalia
Phylum:
Echinodermata
Class:
Echinoidea
Superorder:
Atelostomata
Order:
Spatangoida
Family:
Toxasteridae

J. Lambert 1920

These slow-moving shallow infaunal deposit feeder-detritivores lived during the Cretaceous period, from 145.5 to 61.7 Ma.[1]

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

[1]

gollark: The Earth, or the meteor?
gollark: ++roll d20
gollark: In that case, I want to summon *half*-cryoapioforms, which should be twice as easy.
gollark: Great!
gollark: Too bad.

References
  1. The Paleobiology Database


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.