(Buzhinskaja 2017) Prostomium very short, fused partly or completely with first segment. One pair of antennae and ... [details]
'polaris' after 'polar', indicating type locality [details]
Arctic Basin, 80.9267°, 122.6633° (80°55.6´N 122°39.8´E), planktonic, depth 1000–2000 m over depth 3566 m. [details]
Known from one larval specimen only taken in plankton. ZIN RAS No. 1/50615, late larva [details]