The paracaudinid sea cucumbers of Australia and New Zealand (Echinodermata: Holothuroidea: Molpadida: Caudinidae) 
41 
Figure 2. SEM images of ossicles from the holotype of Paracaudina ambigua O’Loughlin and Barmos sp. nov. from Shark Bay, central Western 
Australia (WAM Z29767): upper, forms of predominant ossicles from the mid-body wall; lower, forms of ossicles from the caudal body wall 
(rarely occurring chilensis-hke ossicles with cross and box bridging shown lower top right and lower bottom left). 
