Micrasteridae is a family of
echinoderm
An echinoderm () is any animal of the phylum Echinodermata (), which includes starfish, brittle stars, sea urchins, sand dollars and sea cucumbers, as well as the sessile sea lilies or "stone lilies". While bilaterally symmetrical as ...
s belonging to the order
Spatangoida
The heart urchins or Spatangoida are an order (biology), order of sea urchins.
Their body is a somewhat elongated oval in form, and is distinguished by the mouth being placed towards one end of the animal, and the anus towards the other. As a re ...
.
Genera
Genera:
* ''
Brissopneustes''
* ''
Cyclaster''
Cotteau, 1856
* ''
Diplodetus''
Schlüter, 1900
* ''
Micraster
''Micraster'' is an extinct genus of echinoids from the Late Cretaceous to the early Eocene. Its remains have been found in Africa, Antarctica, Europe, and North America. Micraster was an infaunal echinoid living in a burrow below the sediment ...
''
References
Spatangoida
Echinoderm families
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