FIGURE 3. SEM images. A, a in Inventory of the eastern Bering Sea sponge fauna, geographic range extensions and description of Antho ridgwayi sp. nov.

FIGURE 3. SEM images. A, a section through the complete blade of the sponge perpendicular to the surface. In the center of the sponge blade, the reticulation of acanthostrongyles is visible, towards both surfaces of the sponge blade plumose tracts of styles run towards the two surfaces ending at the ectosome. B, Large and small style, acanthostrongyles and ectosomal tylotes. C, Ectosomal tylote with microspined head detail in inset at upper right. D, Acanthostrongyle. E, Small category of toxon. F, Isochelae.