26 Tectura virginea. 7mm long radula and odontophore from specimen with shell-length 6.6mm. North Yorkshire. September 2014.

26 Tectura virginea. 7mm long radula and odontophore from specimen with shell-length 6.6mm. North Yorkshire. September 2014.

Hard iron-mineralized radula, longer than shell to allow for replacement of teeth worn away on rock, aided by pair of grab-like, lateral, chitinized jaws.

18: left side-jaw displaced during dissection
5: caecum at posterior of radula sac where teeth initiated

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