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A Digital Reference Collection for Singapore's Biodiversity

Echinioidea (Sea urchins and sand dollars)

Arachnoides placenta
Cake sand dollar
Chaetodiadema granulatum
Diadema setosum
Long-spined black sea urchin
Diadema cf. setosum
Diadema sp. 1
Diadema sp. 2
Diadema sp. 3
Echinodiscus sp.
Keyhole sand dollar
Echinodiscus sp.
Echinodiscus sp.
Jacksonaster depressum
Thick-edged sand dollar
Maretia planulata
Tiny maretia heart urchin
Peronella lesueuri
Pink sand dollar
Peronella sp.
Prionocidaris sp.
Thorny sea urchin
Salmacis bicolor
Two-toned salmacis urchin
Salmacis sphaeroides
White salmacis urchin
Salmacis virgulata
Passion salmacis urchin
Salmacis sp.
Salmacis sp.
Salmacis sp.
Salmacis sp.
Salmacis sp.
Salmacis sp.
Salmacis sp. 1
Salmacis sp. 2
Salmacis sp. 3
Salmacis sp. 4
Salmacis sp. 5
Salmacis sp. 6
Salmacis sp. 7
Salmacis sp. SS-0360
Salmacis sp. SS-1507
Temnopleurus toreumaticus
Black sea urchin
Temnopleurus sp. 1
Temnopleurus sp. 2
Clypeasteroida sp.
Clypeasteroida sp.
Clypeasteroida sp. 1
Clypeasteroida sp. 2
Clypeasteroida sp. 3
Clypeasteroida sp. 4
Clypeasteroida sp. 5
Echinoidea sp. 4815DR1-015
Heart urchin sp.
Oval heart urchin
Heart urchin sp.
Heart urchin sp.
Heart urchin sp. 1
Heart urchin sp. 2
Heart urchin sp. 3
Heart urchin sp. 4
Heart urchin sp. 5
Heart urchin sp. SS-3989
Pencil sea urchin sp.
Sea urchin sp.
Sea urchin sp.
Sea urchin sp. 1
Sea urchin sp. 2
Sea urchin sp. 3
Sea urchin sp. 4
Sea urchin sp. 5
Sea urchin sp. 6
Thorny sea urchin sp.
Thorny sea urchin sp.
Thorny sea urchin sp.
Thorny sea urchin sp.
Thorny sea urchin sp.
Thorny sea urchin sp. 1
Thorny sea urchin sp. 2
Thorny sea urchin sp. 3
Thorny sea urchin sp. 4
Thorny sea urchin sp. JS-0923

Echinioidea (Sea urchins and sand dollars)