Thelepus marthae sp. n. uncini. A, B – Tunetz 105.6 C, D Alaid 30.3 ESP-22 60. A, C–E uncini of U1 B uncini of U20 from the pygidium. Each block from one specimen. Scale bars: 20 μm.

 
 
  Part of: 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