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Theoconus zancleus
(Müller, 1855)
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Description - Add description
Shell bell-shaped, nearly conical, smooth. Length of the three joints= 1:3:4, breadth= 1:4:6. Cephalis nearly spherical, with a stout, straight, pyramidal horn of the same length. Thorax hemispherical. Abdomen gradually increasing in breadth towards the wide truncated mouth. Pores in all three joints nearly of the same shape, circular, regular, four times as broad as the thin bars.
Dimensions: Length of the three joints, a 0.027, b 0.08, c 0.1; breadth, a 0.03, b 0.12, c 0.18. | | Haeckel 1887 |
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