Echinocardium
Encyclopedia
Echinocardium is a genus of sea urchin
Sea urchin
Sea urchins or urchins are small, spiny, globular animals which, with their close kin, such as sand dollars, constitute the class Echinoidea of the echinoderm phylum. They inhabit all oceans. Their shell, or "test", is round and spiny, typically from across. Common colors include black and dull...

s of the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Loveniidae
Loveniidae
Loveniidae is a family of heart urchins in the order Spatangoida.-Genera:* Echinocardium Gray, 1825 * Lovenia Desor, 1847...

, known as heart urchins.

Species

  • Echinocardium australe
    Echinocardium australe
    Echinocardium australe, or the New Zealand heart urchin is a sea urchin of the family Loveniidae, endemic to New Zealand. Length is up to 40 mm.thumb|left|Underside view of [[Test |test]] of Echinocardium australe-References:...

    Gray, 1855
  • Echinocardium cordatum
    Echinocardium cordatum
    Echinocardium cordatum, or the sea potato, is a sea urchin in the family Loveniidae. It is found in sub-tidal regions in temperate seas around the world and lives buried in the sandy sea floor.-Description:...

    (Pennant, 1777)
  • Echinocardium fenauxi Péquignat, 1963
  • Echinocardium flavescens (O.F. Müller, 1776)
  • Echinocardium gibbosus L. Agassiz & Desor, 1847
  • Echinocardium intermedium Mortensen, 1907
  • Echinocardium laevigaster A. Agassiz
  • Echinocardium mediterraneum (Forbes, 1844)
  • Echinocardium mortenseni Thiéry, 1909
  • Echinocardium pennatifidum Norman, 1868
  • Echinocardium sebae Gray
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