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.
ORDER
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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.
== List of families == Synallactida includes over 130 species in three extant families and two extinct genera: Deimatidae Théel, 1882 – 3 genera Stichopodidae Haeckel, 1896 – 9 genera Synallactidae Ludwig, 1894 – 12 genera Genus †Collbatothuria Smith & Gallemí, 1991 Genus †Tribrachiodemas Reich, 2010
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