1. Akera bullata. Shell height 31mm. Specimen with spire hardly protruding beyond final whorl. Recently dead with intact orange-brown periostracum, and spiral break in whorls sealed by membrane. Seawater pond, Oban, Scotland. April 2010. Leg. Clive Craik.
2. Akera bullata. Shell height 31mm. Specimen with spire hardly protruding beyond final whorl. Recently dead with intact orange-brown periostracum, and spiral break in whorls sealed by membrane. Seawater pond, Oban, Scotland. April 2010. Leg. Clive Craik.

Akera bullata. Shell height 31mm. Specimen with spire hardly protruding beyond final whorl. Recently dead with intact orange-brown periostracum, and spiral break in whorls sealed by membrane. Seawater pond, Oban, Scotland. April 2010. Leg. Clive Craik.