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Updated: Jul 11, 2026
10:08
The Golden Apple Snail Pomacea canaliculata: From Zygotes to Stable Mutant Lines
Published on: December 23, 2025
Summary
Land snail shell colors and patterns can be preserved for millennia. A late Pleistocene population of Limicolaria martensiana shows that major color forms and basic polymorphism are at least 8,000 to 10,000 years old.
Area of Science:
- Paleontology
- Evolutionary Biology
- Malacology
Background:
- Shell coloration and patterns in land snails are subject to environmental influences.
- Fossilized shells offer insights into past biodiversity and evolutionary processes.
Purpose of the Study:
- To investigate the long-term preservation potential of land snail shell coloration.
- To determine the age of polymorphism in Limicolaria martensiana populations.
Main Methods:
- Analysis of fossilized Limicolaria martensiana shells from the late Pleistocene.
- Comparison of color forms in fossil shells with extant populations.
Main Results:
- Land snail shell colors and patterns can be preserved for thousands of years under suitable conditions.
- All major color forms observed in modern Limicolaria martensiana were identified in the late Pleistocene population.
- The basic polymorphism of Limicolaria martensiana is at least 8,000 to 10,000 years old.
Conclusions:
- Fossilized land snail shells are valuable archives for studying long-term evolutionary patterns.
- The genetic basis for Limicolaria martensiana shell polymorphism has remained stable for at least 10,000 years.
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