Figure 3 from: Jirkov I (2018) Three new species of Thelepus Leuckart, 1849 from Europe and a re-description of T. cincinnatus (Fabricius, 1780) (Annelida, Terebellidae). ZooKeys 759: 29-56. https://doi.org/10.3897/zookeys.759.22981

Figure 3 Thelepus cincinnatus and Thelepus antarcticus uncini. A Alaid 30.6 B Alaid 30.8 C, D Alaid 30.13 A–C uncini from U1 D uncini from posterior body E Thelepus antarcticus ZIN IV.1.2, arrow indicating hump, which is different from that in T. cincinnatus. Each block from one specimen, all uncini from TU1. Third block of A and second block of B shows stage of development of uncini. Scale bars: 20 μm.