Echinus (sea Urchin)
''Echinus'' is a genus of sea urchin Sea urchins () are spiny, globular echinoderms in the class Echinoidea. About 950 species of sea urchin live on the seabed of every ocean and inhabit every depth zone from the intertidal seashore down to . The spherical, hard shells (tests) ...s. Species Species in this genus include: Fossils * '' Echinus coglesi'' * '' Echinus dixoni'' * '' Echinus etheridgei'' * '' Echinus lamarcki'' * '' Echinus multicostatus'' * '' Echinus nodulosus'' * '' Echinus paucimiliaris'' * '' Echinus sphaeroides'' * '' Echinus woodi'' References {{echinoidea-stub ...
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Echinus Esculentus
''Echinus esculentus'', the European edible sea urchin or common sea urchin, is a species of marine invertebrate in the Echinidae family. It is found in coastal areas of western Europe down to a depth of . It is considered "Near threatened" in the IUCN Red List of Threatened Species. Description ''E. esculentus'' is approximately spherical but slightly flattened at both poles. It is reddish or purplish with white tubercles and grows to about ten centimetres in diameter. The brittle, limy test is rigid and divided into five ambulacral areas separated by five inter-ambulacral areas.