| Urosalpinx cala | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Neogastropoda |
| Family: | Muricidae |
| Subfamily: | Ocenebrinae |
| Genus: | Urosalpinx |
| Species: | U. cala |
| Binomial name | |
| Urosalpinx cala (Pilsbry, 1897) | |
| Synonyms [1] | |
| |
Urosalpinx cala is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails. [1]
The length of the shell attains 5.8 mm, its maximum diameter 5.8 mm.
Original description: [2]
The fusiform shell is solid and thick. It is of a dirty white color. It contains fully 6½ or 7 convex whorls.
Sculpture: prominent longitudinal folds, which are strong but rounded and wavelike, the intervals like the folds reversed. They number 9 to 10 on the body whorl, and about the same number on the preceding whorl. These are crossed by rounded spiral threads which are somewhat lamellose from the fine growth-strise. There are about 13 or 14 principal spirals, but in the region of the periphery five or six of the intervals are occupied by minor threads.
The aperture measures one-half the total length of shell. The aperture is small, long-oval. Passing below into a very narrow, parallel-sided siphonal canal nearly as long as the open oval portion. The outer lip is thickened and 7-toothed within. The siphonal fasciole is conspicuous, convex and leaving a narrow umbilical chink.
This marine species occurs off Uruguay
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