Cuthona caerulea. Juvenile, length 3mm. Head outline circular. Grey-brown digestive gland overlayed by orange and blue pigment. LWS, Menai Strait, Wales. September 2011. Species Trinchesia caerulea (Montagu, 1804) Photographer / copyright holder I.F. Smith
Cuthona caerulea. Juvenile, length 3mm. Lateral white pigment. Grey-brown digestive gland almost hidden by fully developed three bands of orange and blue pigment. Interior of head rose pink. Tail lifted off substrate. LWS, Menai Strait, Wales. Sept. 2011 Species Trinchesia caerulea (Montagu, 1804) Photographer / copyright holder I.F. Smith
Cuthona caerulea. Juvenile, length 3mm. Dorsal band of diffuse white pigment. Pale lemon tint on oral tentacles and rhinophores. Cerata in distinct groups. LWS, Menai Strait, Wales. September 2011. Species Trinchesia caerulea (Montagu, 1804) Photographer / copyright holder I.F. Smith
Live Truncatella subcylindrica collected from the Fleet in Dorset in October 2011 by Lin Baldock. Species Truncatella subcylindrica Photographer / copyright holder Lin Baldock
Live Truncatella subcylindrica collected from the Fleet, Dorset in October 2011 by Lin Baldock. Species Truncatella subcylindrica Photographer / copyright holder Lin Baldock
Image of live Paludinella littorina collected from the Fleet in Dorset in October 2011 by Lin Baldock. Species Paludinella littorina Photographer / copyright holder Lin Baldock
Live juveniles of Caecum armoricum collected from the Fleet, Dorset in October 2011 by Lin Baldock. Species Caecum armoricum Photographer / copyright holder Lin Baldock
Live Caecum armoricum collected from the Fleet in Dorset in October 2011 by Lin Baldock. Species Caecum armoricum Photographer / copyright holder Lin Baldock
Thousands of Hydrobia ulvae darkening the sand at the mouth of Dee Estuary, Cheshire. Active at low tide in film of water; note tracks in foreground. If film dries, snails burrow into surface completely, or partially.They support flocks of Shelducks. Species Hydrobia ulvae Photographer / copyright holder Peter Topley
Cerastoderma edule. Juvenile, length 9mm. Small sensory pallial tentacles and tip of foot extended from edge of shell. Mouth of Dee Estuary, Cheshire. 24 October 2011. Species Cerastoderma edule Photographer / copyright holder I.F. Smith
