Cinachyrella porosa from Indonesia. A, C, E-I, N, RMNH.POR.11223, Tanah Bambam Lake. B,D, J-M, ORMNH.POR.11235, Haji Buang Lake A-BIn situ photographs; C skeleton, showing radial bundles and triaenes D spicules in light microscope showing oxeas and triaenes rhabds E, F oxea, end details G prodiaene H, I protriaene J oxea, end detail K protriaene L anatriaene in light microscopy M spheres N, O sigmaspires. Scale bars: 500 μm (C, D); 20 μm (E,F, J); 40 μm (G–I, K); 100 μm (L); 5 μm (M–O).