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Families
Rissoidae

Family Rissoidae

14 species

Tiny risso snail

Group: Molluscs
Peak month: September
Records since 2000: 2,312

Semi-ribbed spire snail

Group: Molluscs
Peak month: September
Records since 2000: 1,686

Pointed Cingula

Group: Molluscs
Peak month: March
Records since 2000: 629

Spotted risso

Group: Molluscs
Peak month: July
Records since 2000: 593

Rissoa membranacea

Group: Molluscs
Peak month: July
Records since 2000: 405

Obtusella intersecta

Group: Molluscs
Peak month: July
Records since 2000: 387

Pusillina sarsii

Group: Molluscs
Peak month: May
Records since 2000: 307

Alvania punctura

Group: Molluscs
Peak month: May
Records since 2000: 280

Crisilla semistriata

Group: Molluscs
Peak month: May
Records since 2000: 213

Alvania beanii

Group: Molluscs
Peak month: July
Records since 2000: 212

A marine gastropod

Group: Molluscs
Peak month: May
Records since 2000: 179

Rissoa lilacina

Group: Molluscs
Peak month: May
Records since 2000: 108

Cingula trifasciata

Group: Molluscs
Peak month: September
Records since 2000: 104

Alvania testae

Group: Molluscs
Peak month: July
Records since 2000: 69