APHOTOMARINE

An educational resource dedicated mainly to the photography
and diversity of marine life that can be found in coastal waters
and intertidal areas of Great Britain and Ireland by David Fenwick.

Sea Urchins (Class Echinoidea)

Euechinoidea (Subclass) > Carinacea (Infraclass) > Echinacea (Superorder) > Camarodonta (Order) > Echinidea (Infraorder) > Echinidae (Family)

Echinus
Echinus esculentus Linnaeus, 1758
- Common or Edible Sea Urchin

Euechinoidea (Subclass) > Carinacea (Infraclass) > Echinacea (Superorder) > Camarodonta (Order) > Echinidea (Infraorder) > Parechinidae (Family)

Paracentrotus
Paracentrotus lividus (Lamarck, 1816)
- Purple Sea Urchin

Psammechinus
Psammechinus miliaris (P.L.S. Müller, 1771)
- Green Sea Urchin or Purple-tipped Urchin

Euechinoidea (Subclass) > Irregularia (Infraclass) > Atelostomata (Superorder) > Spatangoida (Order) > Brissidina (Suborder) > Spatangidea (Superfamily) > Loveniidae (Family) > Echinocardiinae (Subfamily)

Echinocardium
Echinocardium cordatum (Pennant, 1777) - Sea Potato

Euechinoidea (Subclass) > Irregularia (Infraclass) > Neognathostomata (Superorder) > Clypeasteroida (Order) > Scutellina (Suborder) > Laganiformes (Infraorder) > Echinocyamidae (Family)

Echinocyamus
Echinocyamus pusillus (O.F. Müller, 1776) - Pea Urchin

Deep water sea urchins

Cidaroidea (Subclass) > Cidaroida (Order) >
Cidaroidea (Superfamily) > Cidaridae (Family) >
Cidarinae (Subfamily)

Cidaris
Cidaris cidaris (Linnaeus, 1758)
- Long-spine Slate Pen Sea Urchin
Photographed by Didier Descouens