Holothuriida is an order of sea cucumbers. Taxa within the order Holothuriida were previously classified in the order Aspidochirotida, which was determined to be polyphyletic in 2017. Some taxa were also reclassified into the clades Synallactida and Persiculida.

Holothuriida. Retrieved November, 05 2021, from en.wikipedia.org/wiki/Holothuriida.

Holothuriidae is a family of sea cucumbers, a type of echinoderm.

Holothuriidae. Retrieved November, 05 2021, from en.wikipedia.org/wiki/Holothuriidae.