Phorcus lineatus (da Costa, 1778)
(Thick Topshell, Toothed Top Shell)

Taxonomic hierarchy:
SpeciesPhorcus lineatus (Thick Topshell, Toothed Top Shell)
GenusPhorcus (a genus of molluscs)
SubfamilyCANTHARIDINAE (a subfamily of molluscs)
FamilyTROCHIDAE (topshells)
SubclassVETIGASTROPODA (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 Phorcus lineatus (Thick Topshell, Toothed Top Shell) :
1: Phorcus lineatus (Thick Topshell, Toothed Top Shell)
21 Mar 2008 OSGR: SW83 50° 10’ N, 4° 60’ W Vice County: East Cornwall (VC 2) England
live animals, on foreshore
Image 1: Shell - bottom view - close-upImage 2: Shells - bottom view - pale backgroundImage 3: Shell - side viewImage 4: Shells - top view - pale backgroundImage 5: Shells - top view - pale background (2)
2: Phorcus lineatus (Thick Topshell, Toothed Top Shell)
14 Jun 2007 OSGR: SW61 50° 0’ N, 5° 20’ W Vice County: West Cornwall (VC 1) England
Living animal in rock pool
Image 1: Animal extended - foot viewImage 2: Animal extended - foot view (2)Image 3: Animal extended - foot view (3)Image 4: Animal extended - foot view (4)Image 5: Animal withdrawn - body whorl view - in situImage 6: Animal withdrawn - mouth viewImage 7: Animal withdrawn - oblique view - in situImage 8: Animal withdrawn - side view - in situImage 9: Animal withdrawn - top view - in situImage 10: In shallow water - animal crawlingImage 11: Operculum - close-up - enlargedImage 12: Operculum - close-up - enlarged (2)

Identification Works

AuthorYearTitleSource
Crothers, J.H. 2001 Common Topshells: An introduction to the biology of Osilinus lineatus with notes on other species in the genus Field Studies 10: 115-160.

Phorcus lineatus (Thick Topshell, Toothed Top Shell) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Phorcus lineatus (Thick Topshell, Toothed Top Shell)
BioInfoBioInfo (www.bioinfo.org.uk) has 0 host/parasite/foodplant and/or other relationships for Phorcus lineatus (Thick Topshell, Toothed Top Shell)
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