Littorina saxatilis/arcana
(rough periwinkle)

Taxonomic hierarchy:
Species aggregateLittorina saxatilis/arcana (rough periwinkle)
GenusLittorina (periwinkles)
SubfamilyLITTORININAE (a subfamily of molluscs)
FamilyLITTORINIDAE (periwinkles)
SuperfamilyLITTORINOIDEA (a superfamily of molluscs)
OrderLITTORINIMORPHA (an order of operculate snails and whelks)
SubclassCAENOGASTROPODA (a subclass of molluscs)
ClassGASTROPODA (slugs and snails)
PhylumMOLLUSCA (slugs, snails, bivalves, octopus, sea slugs)
SuperphylumLOPHOTROCHOZOA (molluscs and relatives)
CladeBilateria (bilaterally symmetrical animals)
SubkingdomEUMETAZOA (metazoans)
KingdomANIMALIA (animals)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Littorina saxatilis/arcana (rough periwinkle) :
1: Littorina saxatilis/arcana (rough periwinkle)
10 Jun 2007 OSGR: SW61 50° 0’ N, 5° 20’ W Vice County: West Cornwall (VC 1) England
young animals with grey shells, on rocks in harbour
Image 1: Shells - highly enlarged - grey backgroundImage 2: Shells - mouth view - enlarged - grey backgroundImage 3: Two animals - in situ - close-up - enlarged
2: Littorina saxatilis/arcana (rough periwinkle)
10 Jun 2007 OSGR: SW61 50° 0’ N, 5° 20’ W Vice County: West Cornwall (VC 1) England
young animal with striped shell, on rocks in harbour
Image 1: Bottom view - close-up - highly enlarged - grey backgroundImage 2: In situ - basal view - close-up - enlargedImage 3: In situ - top view - close-up - enlargedImage 4: Mouth view - close-up - highly enlarged - grey backgroundImage 5: Operculum view - close-up - highly enlarged - grey backgroundImage 6: Top view - close-up - highly enlarged - grey backgroundImage 7: Top view - close-up - highly enlarged - grey background (2)

Identification Works

AuthorYearTitleSource
Hull, S.L., Grahame, J. & Mill, P.J. 1966 Morphological divergence and evidence for reproductive isolation in Littorina saxatilis (Olivi) in northeast England J. Mollus. Stud. Vol 62: 89-99.

Littorina saxatilis/arcana (rough periwinkle) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Littorina saxatilis/arcana (rough periwinkle)
BioInfoBioInfo (www.bioinfo.org.uk) has 0 host/parasite/foodplant and/or other relationships for Littorina saxatilis/arcana (rough periwinkle)
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