The Family Holothuridae consists of various species of marine animals commonly known as sea cucumbers. These creatures are a significant part of the marine ecosystem and are known for their remarkable regenerative abilities. Some of the synonyms that can be used to describe the Family Holothuridae are the order Aspidochirotida, the class Holothuroidea, and the phylum Echinodermata. Aspidochirotida refers to the specific order of sea cucumbers that make up the Holothuridae family, while Holothuroidea is the general class for all sea cucumbers. Echinodermata is a broader term that refers to a phylum of marine invertebrates, which includes sea stars, sea urchins, and of course, sea cucumbers.