Student Project Figures Figure 6 Figure 24: Section of S. brakenhielmi showing the short and large gut tube, and attached ovary (gonad). Testes of this hermaphroditic organism were difficult to distinguish from other adjacent organs due to its small size, but is visible in Figure 8. Also visible is the large endostyle to the side of the branchial basket, which secretes the mucus webs for filter feeding. Scale: 500 µm. Figure 4 Figure 5 Figure 6 Figure 7 Figure 8