fig, shell, tab, Figure, Type, Genus, Species, Pal, pores, Linnaeus, tubes, fine, Sow, valves, List, Helix, Icon, major, Pallas, minor, mantle, oar, Genera, pore, Foss, Cuba, Meek, hinge, Muller, Shells, dent, Lister, tentacles, striated, smooth, distinct, Testa, sculpture, chambers, convex, radiating, expanded, crab, points, limbo, visible, Pfeiffer, Java, ribs