OSL-Marine Species Identification Guide for the St. Lawrence

Marine Species
of the St. Lawrence

Invertebrates • Species

Littorina littorea

Common periwinkle - Bigorneau

Characteristics:

• shell mouth with perimeter as a simple ellipse, without a concavity

May be mistaken for: other Littorinidae - Buccinum undatum

Family:
Littorinidae

Type of measure:
Shell length mm

Maximum size:
40 mm

specimen identified (coastal sampling)

territory covered territory not covered

territory not covered