''Proraster'' is a genus of
echinoderms
An echinoderm () is any member of the phylum Echinodermata (). The adults are recognisable by their (usually five-point) radial symmetry, and include starfish, brittle stars, sea urchins, sand dollars, and sea cucumbers, as well as the sea li ...
belonging to the family
Hemiasteridae
Hemiasteridae is a family of echinoderms belonging to the order Spatangoida
The heart urchins or Spatangoida are an order of sea urchins.
Their body is a somewhat elongated oval in form, and is distinguished by the mouth being placed towards ...
.
The species of this genus are found in Europe, Northern America and Australia.
Species:
*''
Proraster atavus
''Proraster'' is a genus of echinoderms belonging to the family Hemiasteridae
Hemiasteridae is a family of echinoderms belonging to the order Spatangoida
The heart urchins or Spatangoida are an order of sea urchins.
Their body is a somewha ...
''
*''
Proraster geayi
''Proraster'' is a genus of echinoderms belonging to the family Hemiasteridae.
The species of this genus are found in Europe, Northern America and Australia.
Species:
*''Proraster atavus
''Proraster'' is a genus of echinoderms belonging to th ...
''
*''
Proraster granti
''Proraster'' is a genus of echinoderms belonging to the family Hemiasteridae.
The species of this genus are found in Europe, Northern America and Australia.
Species:
*''Proraster atavus''
*''Proraster geayi
''Proraster'' is a genus of echin ...
''
*''
Proraster jukesii
''Proraster'' is a genus of echinoderms belonging to the family Hemiasteridae.
The species of this genus are found in Europe, Northern America and Australia.
Species:
*''Proraster atavus''
*''Proraster geayi''
*''Proraster granti
''Proraste ...
''
*''
Proraster magnus''
*''
Proraster oedumi''
References
Spatangoida
Echinoidea genera
{{echinoidea-stub