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Theocorys acroria Foreman, 1973

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Description: Shell of three segments, similar to Theocorys anapographa except that the thorax is not as conical and has shoulders with tiny thorns or sometimes small wings. Collar stricture has four collar pores internally. Abdomen generally widens gradually and in some specimens is slightly constricted medianly. Early forms have pores considerably larger than those of the thorax, rounded or subangular; late forms have small pores proximally. Margin undifferentiated, smooth, undulating, or scalloped.
Foreman 1973


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