Figures 10 from: Oliver PG (2015) Description and morphology of the "Juan de Fuca vent mussel", Benthomodiolus erebus sp. n. (Bivalvia, Mytilidae, Bathymodiolinae): "Phylogenetically basal but morphologically advanced". Zoosystematics and Evolution 91(2): 151-165. https://doi.org/10.3897/zse.91.5417

Figures 10 - a–e The ctenidium of Benthomodiolus lignocola a gross anatomy, b SEM of whole filaments, c SEM of inter filamentar junction, d SEM of tip of filament, e SEM of polygonal surface of microvilli (Knudsen 1970). Figures 4f–h. The ctenidium of Benthomodiolus geikotsucola. f SEM of a whole filaments gross anatomy, g SEM of inter filamentar junction, h SEM of the polygonal surface