FIGURE 13 in Sponges from Clipperton Island, East Pacific

FIGURE 13. Callyspongia (Callyspongia) roosevelti n. sp., A. holotype ZMA Por. 13984, scale bar = 1 cm, B. paratype USNM 22659 originally reported as Callyspongia vaginalis by De Laubenfels (1939), C. paratypes MNHN DCL 4049–B, D. light microscopic view of the ectosomal skeleton showing the characteristic double-meshed Callyspongia skeleton, scale bar = 100 µm, E. detail of the same, showing single thin spicules coring the fibers, scale bar = 50 µm, F. choanosomal skeleton showing knotted fibers with a light core of spicules, scale bar = 100 µm.