Holothuria (Acanthotrapeza)

Rowe, 1969

3 species

Tentacles 20; pedicels irregularly arranged on the ventral side; papillae small to large and conical, arranged irregularly on the dorsal side, body wall soft, fairly thick usually 3 (2-5 mm); body almost cylindrical but ventrally sometimes flattened and sole-like; size small to large, up to 350 mm; calcareous ring stout, radial plates squarish, up to twice as long as the interradials; spicules consisting of tables in combination with rosettes, tables usually large and clumsy with well developed spinous disc and low to high spire, the rim of the disc is often turned up to give the tables a cup and saucer appearance in lateral view, in small specimens (? juveniles) the tables with a high spire and a smooth rimmed disc. (Rowe, 1969)