BIOTIC Species Information for Phoronis muelleri
Researched byLizzie Tyler Data supplied byUniversity of Sheffield
Refereed byThis information is not refereed.
Scientific namePhoronis muelleri Common nameA horseshoe worm
MCS Code Recent Synonyms

PhylumPhoronida Subphylum
Superclass ClassPhoronida
Subclass OrderPhoronida
Suborder FamilyPhoronida
GenusPhoronis Speciesmuelleri

Additional Information
Taxonomy References
General Biology
Growth form Feeding methodPassive suspension feeder
Active suspension feeder
Mobility/Movement Environmental position
Typical food types Habit
Bioturbator Flexibility
Fragility SizeSmall-medium(3-10cm)
Height Growth Rate
Adult dispersal potential Dependency
General Biology Additional Information
Biology References
Distribution and Habitat
Distribution in Britain & Ireland
Global distribution
Biogeographic range Depth range7 - 140 m
Distribution Additional Information

Substratum preferences Physiographic preferences
Biological zone Wave exposure
Tidal stream strength/Water flow Salinity
Habitat Preferences Additional Information
Distribution References Hayward & Ryland, 1990,
Reproduction/Life History
Reproductive type Developmental mechanismPlanktotrophic
Reproductive Season Reproductive Location
Reproductive frequency Regeneration potential No
Life span1 year Age at reproductive maturity
Generation time Fecundity
Egg/propagule size Fertilization type
Larval/Juvenile dispersal potential Larval settlement period
Duration of larval stage11-30 days   
Reproduction Preferences Additional Information
Reproduction References Eckert, 2003,
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