Figure 2. External morphologies. A in Taxonomy and description of clionaid sponges (Hadromerida, Clionaidae) from the Pacific Ocean of Mexico

Figure 2. External morphologies. A, Cliona papillae sp. nov., boring into rock and calcareous algae at 5 m depth. B, Detail of the papillae of Cliona papillae sp. nov. The arrow shows the fusion of oscular and ostial papillae. The typical sieve-like ostial papillae are visible to the eye underwater. C, Cliona vallartense sp. nov. growing in beta stage with scattered oscular papillae (arrow) at 4 m depth. D, Cliona vallartense sp. nov. growing in beta stage with numerous oscula (arrow) at 7 m depth. E and F, Cliona raromicrosclera comb. nov. massive orange and beige specimens.