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Petrushevskaya 1971


Figure 99

Species of the genus Eucyrtidium.
I) Eucyrtidium sp. a, Middle Miocene, AMPH 6P; II) Eucyrtidium sp. b, similar to E. galea Hck., 1862, but differs in the transverse distribution of pores, plankton, Pacific Ocean, JYN, station 11; III-VI) E. hexastichum, surface layer of the sediment, Mediterranean Sea, “Vavilov”, station 834; III) left; IV-VI) another specimen, right (V, at greater magnification than the others; VI, scheme of the structure); VII-X) E. hexastichum, plankton, Pacific Ocean: VII) JYN station 16; VIII) “Vityaz”, station 3518; IX-X) RIS, station 49 (one and the same specimen at different magnifications).