Semicassis undulata is a Mediterranean species of medium-sized sea snail, a marine gastropod mollusc in the subfamily Cassinae, the helmet snails and bonnet snails.

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Photos with Semicassis undulata

Phalium granulatum peristephes Pilsbry & McGinty, 1939 - apertural view of a nodular Scotch bonnet snail shell, 1.75 cm tall.

Family Cassidae - cassid snails prey on echinoids (and other echinoderms) in shallow-water marine sandy substrates and reef

Semicassis granulata undulata (Gmelin, 1791) - Mediterranean bonnet snail (apertural view) (public display, Bailey-Matthews Shell Museum, Sanibel Island, Florida, USA)
The gastropods (snails & slugs) are a group of molluscs that occupy marine, freshwa

Seashell of Semicassis undulata (Gmelin, 1791)[1], in the past named Phalium granulatum undulatum (Gmelin, 1791). Specimen from own collection. Naples, Italy. Underside view with operculum.

View 18 more photos of Semicassis undulata

Distribution

Geography

This species occurs in the Mediterranean Sea and in the Atlantic Ocean off Northwest Africa and the Macaronesian Islands.

Habits and Lifestyle

Diet and Nutrition

Phalium granulatum (Born, 1778) - apertural view of a Scotch bonnet snail shell, 2.25 cm tall.

Family Cassidae - cassid snails prey on echinoids (and other echinoderms) in shallow-water marine sandy substrates and reef facies in tropical to temperate set

Population

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References

1. Semicassis undulata Wikipedia article - https://en.wikipedia.org/wiki/Semicassis_undulata

Semicassis undulata