Figure 6 in The biology and functional morphology of the high-energy beach dwelling Paphies elongata (Bivalvia: Mactroidea: Mesodesmatidae). Convergence with the surf clams (Donax: Tellinoidea: Donacidae)

Figure 6. Paphies elongata. (a) The siphons as seen from the posterior aspect. More detailed views from the lateral aspect of (b), the inhalant and (c) the exhalant siphons. (d) One of the eight largest inhalant siphonal tentacles shown in greater detail. ES, exhalant siphon; MMF, middle mantle fold; IS, inhalant siphon.