1. Coryphella lineata cerata; two white lines on each expand near apex to nearly cover the white internal cnidosac. LWS, Menai Strait, September 2011.
2. Coryphella lineata cerata; two white lines on each expand near apex to nearly cover the white internal cnidosac. LWS, Menai Strait, September 2011.

Coryphella lineata cerata; two white lines on each expand near apex to nearly cover the white internal cnidosac. LWS, Menai Strait, September 2011.