Synallactida is a rankless clade of sea cucumbers, but is referred to as an order. Taxa within Synallactida were previously classified in an order called Aspidochirotida, which was determined to be polyphyletic in 2017.

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

The Stichopodidae are a family of sea cucumbers, part of the order Synallactida.

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