genus
Echinolittorina
Echinolittorina
Children
- Echinolittorina aspera
- Zebra Periwinkle presumed native
- Quiet Periwinkle presumed native
- Common Periwinkle presumed native
- Intertidal Zebra Snail presumed native
- Echinolittorina modesta
- Echinolittorina hawaiiensis present
- Interrupted Periwinkle presumed native
- Slender Periwinkle presumed native
- Spotted Periwinkle presumed native
- Lineolate Periwinkle presumed native
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided