FIGURE 13. Osedax jabba n in An inordinate fondness for Osedax (Siboglinidae: Annelida): Fourteen new species of bone worms from California

FIGURE 13. Osedax jabba n. sp., previously Osedax 'spiral'; sp.1 SBJ-2006. A. Cluster of males lying between in tube lumen, in contact with the trunk of a female paratype 4 (SIO-BIC A7836). B. Photomicrograph montage of male allotype (SIO- BIC A7839), from tube of paratype 6 (SIO-BIC A7838). Prototroch is visible anteriorly, as is a mass of mature sperm. Some hooks are visible in expanded posterior region. C. Closeup of head showing prototroch and mass of mature sperm. D. Mature sperm squeezed out the head of male. E. Mature sperm. F. Close up of posterior segmented region showing hooked chaetae in pairs on one side of segments 2 and 3. Other chaetae are not in plane of focus.