1. Runcina coronata. Foot distinctly separated from fused mantle/cephalic-shield, which folds down over its anterior margin. Posterior of foot and gill extended behind mantle. Weymouth, England. April 2012.
2. Runcina coronata. Foot distinctly separated from fused mantle/cephalic-shield, which folds down over its anterior margin. Posterior of foot and gill extended behind mantle. Weymouth, England. April 2012.

Runcina coronata. Foot distinctly separated from fused mantle/cephalic-shield, which folds down over its anterior margin. Posterior of foot and gill extended behind mantle. Weymouth, England. April 2012.