Emanuele Biggi / Carnivorous snail (Oxychilus draparnaudi) in a cave, Italy, November.

Emanuele Biggi / Carnivorous land snail (Oxychilus sp.) eating a cave cricket (Petaloptila andreinii), Italy

Emanuele Biggi / Carnivorous land snail (Oxychilus sp.) eating a cave cricket (Petaloptila andreinii), Italy

Emanuele Biggi / Carnivorous land snail (Oxychilus sp.) eating a cave cricket (Petaloptila andreinii), Italy

Emanuele Biggi / Carnivorous land snail (Oxychilus sp.) eating a cave cricket (Petaloptila andreinii), Italy

Chris Mattison / Cellar snail (Oxychilus cellarius) Monmouthshire, Wales, UK. February

MYN / Emanuele Biggi / Cave snail (Oxychilus draparnaudi) Busalla, Italy, February. Meetyourneighbours.net project

Rod Williams / Cellar Snail (Oxychilus Cellarius) Lewisham, London, October

Martin Gabriel / Glass Snail (Plutonia solemi / Oxychilus navarricus). Endemic to La Palma Island, Canary Islands and Spain. Spain, February.

Martin Gabriel / Glass-snail (Oxychilus navarricus helveticus), Switzerland.

Martin Gabriel / Dark-bodied Glass-snail (Oxychilus draparnaudi) Bavaria, Germany

Duncan Mcewan / Garlic grass snail (Oxychilus alliarus) Glen Spean, Inverness, Scotland

GEORGETTE DOUWMA / Cellar snail {Oxychilus cellarius} UK.

GEORGETTE DOUWMA / Cellar snail {Oxychilus cellarius} UK.

GEORGETTE DOUWMA / Cellar snail (Oxychilus cellarius) UK

GEORGETTE DOUWMA / Cellar snail (Oxychilus cellarius) UK

Nick Upton / Adult and juvenile Glossy glass snails (Oxychilus navarricus) crawling over a limestone boulder covered in green algae at night, Wiltshire, UK, October.

Nick Upton / Glossy glass snail (Oxychilus navarricus) against a white background, Wiltshire, UK, October.

Nick Upton / Glossy glass snail (Oxychilus navarricus) crawling over a mossy boulder in a garden at night, Wiltshire, UK, October.

Nick Upton / Glossy glass snail (Oxychilus navarricus) crawling over a mossy boulder in a garden at night, Wiltshire, UK, October.