Figure 5 from: Yamasaki H, Grzelak K, Sørensen MV, Neuhaus B, George KH (2018) Echinoderes pterus sp. n. showing a geographically and bathymetrically wide distribution pattern on seamounts and on the deep-sea floor in the Arctic Ocean, Atlantic Ocean, and the Mediterranean Sea (Kinorhyncha, Cyclorhagida). ZooKeys 771: 15-40. https://doi.org/10.3897/zookeys.771.25534

Figure 5 Polar-coordinate diagram of mouth cone, introvert, and placids in Echinoderes pterus sp. n. Grey area and heavy line arcs show mouth cone and placids respectively. The table lists the arrangement of styles and scalids by sector. Inner oral styles of ring 01 showing spinose processes at basal part indicated by black circle in grey outer circle. Abbreviation: sec, sector.