Orbiniella petersenae sensu stricto, SEM A paratype ZMBN 157649, anterior end, dorsal view B paratype ZMBN 157649, detail of left lateral side of prostomium showing presumed nuchal organs (insert of A) C paratype SMF 32678, notopodium of chaetiger 3 showing notopodial lobe and capillaries D paratype SMF 32678, neuropodim of chaetiger 7 showing acicular spines and capillaries E paratype ZMBN 157663, notopodium of chaetiger 10 showing notopodial lobe, acicular spines, and capillaries F paratype SMF 32678, detail of capillary chaetae. White and black arrows in A: Lateral ciliary spots; White arrow in E: Start of crenulation in capillary chaeta. Abbreviations: Ac: acicular spines; Np: notopodial lobe. Scale bars: 100 μm (A – C); 40 μm (D); 50 μm (E); 10 μm (F).

 
 
  Part of: Meca MA, Kongsrud JA, Kongshavn K, Alvestad T, Meißner K, Budaeva N (2024) Diversity of Orbiniella (Orbiniidae, Annelida) in the North Atlantic and the Arctic. ZooKeys 1205: 51-88. https://doi.org/10.3897/zookeys.1205.120300