Pusula radians
Species of gastropod
From Wikipedia, the free encyclopedia
Pusula radians, the "radiant button shell"or "radiating trivia", is a species of small sea snail, a marine gastropod mollusk in the family Triviidae, the false cowries or trivias.
| Pusula radians | |
|---|---|
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| A shell of Pusula radians from Nicaragua on display at the Museo Civico di Storia Naturale di Milano | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Family: | Triviidae |
| Genus: | Pusula |
| Species: | P. radians |
| Binomial name | |
| Pusula radians Lamarck, 1810 | |
| Synonyms | |
Description
The shell of an adult Pusula radians can be as long as 21 millimetres (0.83 in), with a diameter of about 15 millimetres (0.59 in). The shell is ovate and pinkish. It has small pale brown spots and wart-like tubercles on the dorsum, and strong transverse ribs on the base. As is the case is all the members of this family, the aperture runs the length of the shell and has teeth along the margins.
Distribution
This species is widespread along the coast of Mexico including the Baja California peninsula, Ecuador, Nicaragua and Peru. It lives under rocks below the intertidal zone in coastal waters.
References
- Biolib
- "Pusula radians". Gastropods.com. Retrieved 16 January 2019.
- WoRMS
- Discover Life
- Angeline Myra Keen Sea Shells of Tropical West America: Marine Mollusks
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