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Cyrtocapsella cornuta (Haeckel, 1887)

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Shell rough, very thick-walled, nearly pear-shaped, with three annular strictures; the second of which is very sharp, the first and third slight. Length of the four joints= 3:4:5:6. The third joint is the broadest, being about twice as broad as long; the fourth joint is hemishperical. Cephalis subspherical, with a large, conical, curved horn of twice the length. Pores regular, circular, hexagonally framed.
Dimesions:
Length of the shell (with four joints) 0.18, breadth 0.12. Length of the single joints, a 0.03, b 0.04, c 0.05, d 0.06.
(Haeckel) 1887


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