The wentletrap (Scalaria pretiosa) is gastropod mollusk named after its spiral staircase appearance.

Wentletrap

The wentletrap (Scalaria pretiosa) is gastropod mollusk named after its spiral staircase appearance.

The wentletrap (Scalaria pretiosa) is gastropod mollusk named after its spiral staircase appearance.

Wentletrap

The wentletrap (Scalaria pretiosa) is gastropod mollusk named after its spiral staircase appearance.