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)

Echinoderes pterus sp. n., scanning electron micrographs. Females (AZMB 11661b, collected at station 66 (Mediterranean deep sea off Crete) BZMB 11669a, collected at station 152-1 (Karasik Seamount) CZMB 11664a, collected at station 63 (Mediterranean deep sea off Crete) DZMB 11665d, collected at station 63 (Mediterranean deep sea off Crete)). A segments 6–8, dorsal view B segments 6–9, lateral view (left side) C segments 8–11, lateral view (left side) D close-up of tuft of hairs on segment 9. Abbreviations: ldt, laterodorsal tube; ltas, lateral terminal accessory spine; lts, lateral terminal spine; lvs, lateroventral acicular spine; mds, middorsal acicular spine; th, tuft of long hairs. Digits after abbreviations indicate the corresponding segment number. Black arrows point to sensory spots. Scale bars: 10 µm (A–C), 2 µm (D).