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Petrushevskaya 1967


Fig. 71
Theocalyptra (?) bicornis (Popofsky):
I - atypical specimen viewed from left and somewhat from below (station 446); II - similar specimen highly burnished, viewed from right and somewhat anteriorly, from sediments of Pacific Ocean off coast of California;
III - incompleted skeleton, viewed from right and somewhat posteriorly (station 293); IV - typical completed specimen viewed from right, somewhat posteriorly and from below (station 62); V - viewed from right and somewhat from below (station 92); VI - viewed from left, and somewhat from below (station 233); VII - posterior view, somewhat from below (station 33); VIII - Clathrocyclas bicornis Hays, 1965, very old specimen viewed from left, and somewhat posteriorly; IX - same specimen, viewed from below (station 20).