Quadrella
Quadrella is a genus of marine gastropods belonging to the family Quadrellidae. It was established in 1912 by American malacologist Paul Bartsch. The genus consists of small, colorful sea snails that inhabit a variety of marine environments. The taxonomy of Quadrella has been the subject of ongoing debate and revision. While some experts consider it a distinct genus, others include it as a subgenus of Amphissa. More research is needed to clarify its precise taxonomic position.
Common Names
Common names for Quadrella species include quadrella snails and false whelks.
Characteristics
Quadrella species are characterized by:
- Small size, typically less than 1 centimeter in length.
- Conical or oval shells with a pointed spire.
- Variable coloration, often featuring bright colors and patterns.
- A prominent aperture with a distinct siphonal canal.
- Operculum present, usually horny or calcareous.
Environments
Quadrella snails are found in a range of marine environments, including:
- Intertidal zones, often on rocky shores.
- Shallow subtidal areas, up to depths of several meters.
- Seagrass beds and algal mats.
References
For further information on Quadrella, consult the following reliable resources: