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Fusinus colus, common name the Distaff spindle or Long-tailed Spindle, is a species of sea snail, a marine gastropod mollusk in the family Fasciolariidae, the spindle snails, the tulip snails and their allies.
The snails are gonochoristic, i.e. the individuals have just one sex. The female snails deposit their eggs in horny capsules either in a single form or in clusters arranged around a hollow axis. The single forms have a flattened, disk-shaped, or vase-shaped form. The clusters are hemispherical or cylindrical. Development is usually direct.
The shells of Tibia fusus can reach a length of 15–31 centimetres (5.9–12.2 in) (including the long siphonal canal), with a typical length of 23 cm (9 in.). [5] These shells are large, spindle-shaped with moderately convex turns and an extremely long, thin and slightly curved siphonal canal.
Fusinus hayesi, common name Hayes' spindle shell, is a species of sea snail, a marine gastropod mollusk in the family Fasciolariidae, the spindle snails, the tulip snails and their allies. [ 1 ] Description
Marmorofusus nicobaricus, common name : the Nicobar spindle, is a species of sea snail, a marine gastropod mollusc in the family Fasciolariidae, the spindle snails, ...
The shell is small, relatively robust, and spindle-shaped, with rounded whorls and a strongly indented suture. The spire makes up about three-quarters of the total aperture length. It is sculpted with distinct, flat spiral cords and closely set, rounded axial ribs, which are weaker on the body whorl and sometimes almost absent in certain ...
Aristofusus excavatus, common name apricot spindle, is a species of sea snail, a marine gastropod mollusk in the family Fasciolariidae, the spindle snails, the tulip snails and their allies. [ 1 ] Description
The shell is small and broadly spindle-shaped, sculpted with rounded axial ribs crossed by crisp spiral ridges, with fine intermediary spiral threads in between. Shell width and the prominence of axial ribs are variable. The siphonal canal is relatively short, and the inner lip is not strongly calloused. [2]