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: Er, it will loop.
gollark: GAAAH YOUR INDENTING!
gollark: Well, it'd just not loop, so is useless and stupid.
gollark: There's also```luarepeat do_stuff()until this_condition_isnt_met```
gollark: `while` can take ANY boolean condition, but mostly it's used with `true`.

References
  1. The Paleobiology Database


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