Holothuriida

Holothuriida is an unranked clade of sea cucumbers, but is referred to as an order. Taxa within 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.
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== Families ==
* Holothuriidae