17. Urchins and sea cucumbers

Sea cucumbres (Holothuroidea)

Holothuria forskali

Holothuria polii

Holothuria sanctori

Holothuria tubulosa

Sea urchins (Echinoidea)

Arbacia lixula

Arbaciella elegans

Centrostephanus longispinus

Echinocardium cordatum

Echinus melo

Paracentrotus lividus

Psammechinus microtuberculatus

Sphaerechinus granularis

Stylocidaris affinis