Membranobalanus porphyrophilus sp. nov. mouthparts A, B, G, H, I, L, N holotype (WAM C66803) C, D, J, O paratype (SAMA C12708) E, F, K, M paratype (SAMA C12706). A, C Labrum and right mandiblular palp (left removed, damaged) B, D close up of A and D, arrows indicate teeth on labrum E left mandibular palp F detail of serrulate setae on mandibular palp ventral face G–I mandibles J maxillule K, L maxilla. Note: G, H, L damaged, setae lost during sonication in A & K. Scale bars: 200 μm (A, C, E, G, I–O); 40 μm (B, F); 100 μm (D); 50 μm (H).