BIOTIC Species Information for Calliostoma spp.
Researched bySean Lindsley-Leake Data supplied byMarLIN
Refereed byThis information is not refereed
Taxonomy
Scientific nameCalliostoma spp. Common nameTop shell
MCS CodeW179 Recent Synonyms
PhylumMollusca Subphylum
Superclass ClassGastropoda
SubclassProsobranchia OrderArchaeogastropoda
SuborderVetigastropoda FamilyTroichidae
GenusCalliostoma Species
Subspecies   
Additional Information
Taxonomy References
General Biology
Growth form Feeding method
Mobility/MovementCrawler
 Environmental position
Typical food types HabitFree living
Bioturbator FlexibilityNone (< 10 degrees)
FragilityRobust SizeSmall(1-2cm)
Height Growth Rate
Adult dispersal potential DependencyIndependent
SociabilitySolitary
Toxic/Poisonous?No
General Biology Additional Information
Biology References Hayward & Ryland, 1995b, Fish & Fish, 1996,
Distribution and Habitat
Distribution in Britain & IrelandFound on all British and Irish coasts.
Global distributionFound in north-west Europe from Denmark to south-west Ireland.
Biogeographic rangeTemperate. Depth range
Migratory   
Distribution Additional Information
Substratum preferences Physiographic preferences
Biological zone Wave exposure
Tidal stream strength/Water flow Salinity
Habitat Preferences Additional Information
Distribution References
Reproduction/Life History
Reproductive typeGonochoristic
 Developmental mechanismDirect Development
Reproductive Seasonall year, peaks in June Reproductive LocationSediment surface
Reproductive frequencyAnnual episodic Regeneration potential No
Life spanInsufficient information Age at reproductive maturityInsufficient information
Generation timeInsufficient information FecundityInsufficient information
Egg/propagule size0.47mm Fertilization typeExternal
Larvae/Juveniles
Larval/Juvenile dispersal potential<10m Larval settlement periodNot relevant
Duration of larval stage2-10 days   
Reproduction Preferences Additional Information
Reproduction References Holmes, 1997, Fish & Fish, 1996, Ramon, 1990, Lebour, 1935, Lebour, 1937,
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