Littorina obtusata (Linnaeus, 1758)
(Flat Periwinkle)

Taxonomic hierarchy:
SpeciesLittorina obtusata (Flat 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)

Identification Works

AuthorYearTitleSource
Smith, I.F. 2017 Differerentiating Littorina obtusata sensu stricto (Linnaeus, 1758) from Littorina fabialis (Turton, 1825) Mollusc World Vol 44: 22-23.
Willing, M. 2018 Molluscs (Feb 2018) British Wildlife Vol 29 (3): 216-218.

Littorina obtusata (Flat 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 obtusata (Flat Periwinkle)
BioInfoBioInfo (www.bioinfo.org.uk) has 0 host/parasite/foodplant and/or other relationships for Littorina obtusata (Flat Periwinkle)
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