Fig. 49
Antarctissa denticulata (Ehrenberg):
I - adult specimen (station 186); II - completed skeleton, viewed somewhat from below (station 283); III - broken shell, viewed from left, its internal structure is seen; IV - brown shell, viewed from below; elements of internal skeleton seen as well as four pores connecting cavity of "thorax" to cavity of "cephalis". V - Antarctissa denticulata (Ehrenberg) var. clausa (Popofsky) (station 180); VI - Antarctissa denticulata (Ehrenberg) var. cylindrica var. nov. (station 290) (all specimens from sediments).
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