Figure 8A-F from: Oliver G (2014) "TUBULAR GILLS" Extreme gill modification in the Thyasiroidea with the description of Ochetoctena tomasi gen. et sp. nov. (Bivalvia: Thyasiroidea). Zoosystematics and Evolution 90(2): 121-132. https://doi.org/10.3897/zse.90.8323

Figure 8A-F - Ochetoctena tomasi, A–B external and internal views of the shell of the holotype, NMW.Z.2014.014.00001; C–E scanning electron micrographs of the shell surface; F gross anatomy viewed from the left side after removal of the mantle. aa anterior adductor muscle; f foot; lbp lateral body pouch; id inner demibranch; od (r) remanant of outer demibranch; pa posterior adductor muscle.