Margarites helicinus

Researched By	Lizzie Tyler	Data Supplied By	University of Sheffield
Refereed by	This information is not refereed.
Taxonomy
Scientific name	Margarites helicinus	Common name	Pearly top shell
MCS Code		Recent Synonyms
Phylum	Mollusca	Subphylum
Superclass		Class	Gastropoda
Subclass		Order	Archaeogastropoda
Suborder		Family	Trochidae
Genus	Margarites	Species	helicinus
Subspecies
Additional Information
Taxonomy References	Hayward et al., 1996, Howson & Picton, 1997, Hayward & Ryland, 1995b, McMillan, 1968, Graham, 1971
General Biology
Growth form		Feeding method
Mobility/Movement		Environmental position
Typical food types		Habit
Bioturbator		Flexibility
Fragility		Size	Small(1-2cm)
Height		Growth Rate
Adult dispersal potential		Dependency
Sociability
Toxic/Poisonous?	No
Additional Information
Biology References
Distribution and Habitat
Distribution in Britain & Ireland
Global distribution
Biogeographic range		Depth range
Migratory
Distribution Additional Information
Substratum preferences		Physiographic preferences
Biological zone		Wave exposure
Tidal stream strength/Water flow		Salinity
Habitat Additional Information
Distribution References	Hayward et al., 1996, Hayward & Ryland, 1995b, Hiscock et al, 2001, McMillan, 1968, Graham, 1971, NBN, 2002
Reproduction/Life History
Reproductive type		Developmental mechanism
Reproductive Season		Reproductive Location
Reproductive frequency		Regeneration potential	No
Life span		Age at reproductive maturity
Generation time		Fecundity
Egg/propagule size		Fertilization type
Larvae/Juveniles Larval/Juvenile dispersal potential Larval settlement period Duration of larval stage
Additional Information
Reproduction References