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Petrushevskaya 1967


Fig. 21
Spongotrochus glacialis Popofsky:
I - large specimen, needles broken off, from sediment of station 363; II - smaller specimen; III - same specimen, lateral view (both from sediment of station 16); IV - similar specimen from 0 - 500 m plankton haul, station 280; V - specimen with more slender cylindrical needles, shown with needles broken off; VI, VII - juvenile stages (all three from 0 - 200 m haul at station 980).