Figure 107
Structure of some Plectopyramidinae.
I) Cornutella trichostyla, plankton, Pacific Ocean, “Vityaz” station 5124, 3000m; II) C. longsetta, surface sediment, Antarctic, “Obj”, station 220; III) Cynclopyramis giganthea, some place, station 384; IV) C. cf. Giganthea, p. 291; V, VI) Plectopyramis polypleura; V) same, “Obj”, station 202; VI) station 220.
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