# Echinoderms

**IRI:** https://folio.openlegalstandard.org/R8edEC4B9Q4JOiWbVNvi30n

## Labels

## Definition

Echinoderms are a phylum of marine invertebrates known as Echinodermata, characterized by their radial symmetry, a water vascular system, and a calcareous endoskeleton. This group includes starfish, sea urchins, sand dollars, and sea cucumbers, and they play vital roles in marine ecosystems.

## Sub Class Of

- https://folio.openlegalstandard.org/RCBYQBHCTDnnpanK0HJ0I7w

**Deprecated:** False