Echinoderms are an ancient and diverse group of marine animals with a rich fossil record. They occur abundantly in all modern oceans and at all depths, where th

Echinoderms are an ancient and diverse group of marine animals with a rich fossil record. They occur abundantly in all modern oceans and at all depths, where th

Echinoderms play an important ecological role in marine communities, especially in relation to food chains, occupying diverse trophic levels such as herbivores,

Echinoderms, including feather stars, seastars, brittle stars, sea urchins and sea cucumbers, are some of the most beautiful and interesting animals in the sea.

The dominant faunal elements in shallow Paleozoic oceans, echinoderms are important to understanding these marine ecosystems. Echinoderms (which include such an