
Spatangus is a genus of heart urchins in the Spatangidae family. The genus is synonymous with the previously recognised genera Prospatangus Lambert, 1902 and Spatagus. There are nine recognised species. The type species is Spatangus purpureus Müller, 1776 by subsequent designation (Rowe & Gates, 1995). Spatangus comprises marine heart urchins tha...
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http://en.wikipedia.org/wiki/Spatangus

• (n.) A genus of heart-shaped sea urchins belonging to the Spatangoidea.
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http://thinkexist.com/dictionary/meaning/spatangus/
Spa·tan'gus noun [ New Latin , from Latin
spatangius a kind of sea urchin, Greek ....]
(Zoology) A genus of heart-shaped sea urchins belonging to the Spatangoidea.
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http://www.encyclo.co.uk/webster/S/155

Spatangus is a genus of sea-urchins, popularly called the heart-urchins from their shape.
Found on
http://www.probertencyclopaedia.com/browse/BSB.HTM
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