New insights into the mutable collagenous tissue of Paracentrotus lividus: preliminary results*

Rare Late Cretaceous phymosomatoid echinoids from the Hannover area (Lower Saxony, Germany)*

Adaptative morphology for living in shallow water environments in spatangoid echinoids*

Estrogen administration to the edible sea urchin Paracentrotus lividus (Lamarck, 1816)*