Figure 86. Geographic distribution of Spongopyle osculosa. N: total number of positive records [total number of samples where the species was presumably sought], for water-column (above 150 m and below 150 m; plankton and sediment trap materials) and surface sediment materials. Sources: A, Original; B, Takahashi (1991); C, Cortese et al. (2003); D, Original; E, Takahashi (1991); F, Original.