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Amphiplecta sp.
Petrushevskaya, 1971
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Description - Add description
From Benson, 1966, p. 464; pl. 32, fig. 1, (not fig. 2):
Amphiplecta cf. acrostoma Haeckel
Cephalis long, cylindrical, relatively smooth, open at the top without a constriction, although a few specimens were observed with top partially or completely closed…
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