1: right and left epipodia extend as free-standing crests onto the metapodium and meet at posterior to form ‘V’, extensive when foot extended.
2: tawny-white epipodial tentacle with indistinct pale-brown rings and reticulation. Tentacle arises from white sheath.
3: white, spiked, sensory lobe by base of epipodial tentacle.
4: part of copious mucus trail deposited by mucus gland of foot to assist movement over soft substrate.
5: tawny-white epipodial tentacle with pale longitudinal dorsal line.
6: faecal string being expelled from exhalent siphon.
Image extracted from Gm1 01 Gibbula magus. Large specimen, height (apex to base of shell) 25.5 mm, breadth 31.5 mm. Cardigan Bay, Wales. 2015.
15 Gibbula magus. Large old specimen, height 25.5mm, breadth 31.5mm. Cardigan Bay, Wales. 2015.
