FIG. 3. — Botrylloides crystallinus n in Botrylloides crystallinus n. sp., a new Botryllinae Adams & Adams, 1858 (Ascidiacea) from Mediterranean Sea

FIG. 3. — Botrylloides crystallinus n. sp.: A, zooid; A, B, H, I, the same see from above; B-E, tentacular crown in different zooids of the same system; F, rectus with trabeculae; G, tentacle. Abbreviations: ao, anal opening; at, atrial tongue; ci, cell island; dig, dorsal intestinal groove; dt, dorsal tubercle; dv, dorsal vessel; ilv, internal longitudinal vessels; ng, neural gland; oe, oesophagus; ppr, pre-pharingeal ring; tbv, transversal branchial vessels; tc, tentacular crown; tr, trabecula; us, unperforate space. Scale bars: A, 2 cm; B-F, 300 µm; G, 10 µm; H, 500 µm; I, 1 mm.