BIOTIC Species Information for Thyasira flexuosa
Researched byCharlotte Marshall Data supplied byMarLIN
Refereed byThis information is not refereed.
Scientific nameThyasira flexuosa Common nameWavy hatchet shell
MCS CodeW1837 Recent Synonyms

PhylumMollusca Subphylum
Superclass ClassPelecypoda
Subclass OrderVeneroida
Suborder FamilyThyasiridae
GenusThyasira Speciesflexuosa

Additional Information
Taxonomy References
General Biology
Growth formBivalved
Feeding method
Environmental positionInfaunal
Typical food types HabitFree living
Bioturbator FlexibilityNone (< 10 degrees)
FragilityIntermediate SizeSmall(1-2cm)
Height Growth Rate
Adult dispersal potential100-1000m DependencyIndependent
General Biology Additional Information
Biology References
Distribution and Habitat
Distribution in Britain & IrelandPresent on all British and Irish coats although rare off south-east Britain.
Global distributionThis species is distributed from Iceland and northern Norway to the Iberian Peninsula, into the Mediterranean and to the Atlantic coast of Morocco, the Canary Is. And the Azores (Tebble, 1976).
Biogeographic rangeNot researched Depth range
Distribution Additional Information

Substratum preferencesSandy mud
Physiographic preferences
Biological zone Wave exposure
Tidal stream strength/Water flow Salinity
Habitat Preferences Additional Information
Distribution References Tebble, 1976,
Reproduction/Life History
Reproductive typeGonochoristic
Developmental mechanismDirect Development
Reproductive Season Reproductive Location
Reproductive frequencyAnnual protracted Regeneration potential No
Life spanInsufficient information Age at reproductive maturityInsufficient information
Generation timeInsufficient information Fecundity
Egg/propagule size Fertilization type
Larval/Juvenile dispersal potentialInsufficient information Larval settlement period
Duration of larval stageNot relevant   
Reproduction Preferences Additional InformationNon-pelagic larval development (Thorson, 1946).
Reproduction References Thorson, 1946,
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