Figure 73
Two species of the genus Trisulcus.
I-III) T. nana (Popofsky), plankton, Pacific Ocean, “Vityaz” station 5117: I, II) 150 m; III) 500 m; IV-VI) T. boldyrae sp. n., plankton, Pacific Ocean, “Vityaz” station 5117: IV, V) 0 m, development of thorax varies; VI) 25 m.
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