The genus Labidodemas contains small to medium-sized sea cucumbers with a soft and leathery body, a smooth tegument with tube feet along ambulacra, 20 tentacles, and a ribbon-like calcareous ring.
Remarks: In addition to the species Labidodemas semperianum (Labidodemas semperianum) described in this program, a second species, L. rugosum (Ludwig, 1874), is yellow, small and warty with spinose tables of moderate spire height. It has been recorded from the Torres Strait.
Species in this genus:
Labidodemas semperianum Selenka, 1867