FIGURE 2 in Cliona tumula sp. nov., a conspicuous, massive Symbiodinium-bearing clionaid from the lower Florida Keys (USA) (Demospongiae: Hadromerida: Clionaidae)

FIGURE 2. Camera lucida drawing of thin section of Cliona tumula sp. nov. showing embedded calcareous fragments (in bold) in the choanosome (scale = 1 mm). Inset: choanosome of ethanol preserved specimen highlighting tracts of sediment that the sponge incorporates in its mesohyl. The tracts run perpendicular to the ectosome.