Buccinum undatum

Buccinum undatum juvenile. Shell height 9.5mm. Respiratory siphon in and extending from siphonal channel. Underside of siphon is slit. LWS, Menai Strait, Wales. September 2011.

Species

Buccinum undatum

Photographer / copyright holder

I.F. Smith

Buccinum undatum juvenile. Shell height 9.5mm. Operculum ovoid, concentric, too small to close aperture fully. Outer lip of aperture thin and fragile on juveniles. LWS, Menai Strait, Wales. September 2011.

Species

Buccinum undatum

Photographer / copyright holder

I.F. Smith

Buccinum undatum juvenile. Shell height 9.5mm. Sole and ventral surfaces of head and tentacles lack black marks. No snout on head. Siphon extends from siphonal canal. LWS, Menai Strait, Wales. September 2011.

Species

Buccinum undatum

Photographer / copyright holder

I.F. Smith

Foot of Buccinum undatum juvenile. Shell height 9.5mm. Translucent white with black marks mainly on sides, also less obtrusive opaque white spots. Operculum on posterior. Anterior edge has three layered sandwich structure. LWS, Menai Strait. Sept 2011.

Species

Buccinum undatum

Photographer / copyright holder

I.F. Smith

Buccinum undatum juvenile. Shell height 9.5mm. Stretching upwards. Dorsal surfaces of foot, body and head have black marks. Eye on top of wide basal third of tentacle. Head a flattened projection with no snout. LWS, Menai Strait, Wales. September 2011.

Species

Buccinum undatum

Photographer / copyright holder

I.F. Smith

Buccinum undatum juvenile. Shell height 9.5mm. Siphon and tentacles at anterior. Part of operculum resting on posterior of foot protrudes from under shell. LWS, Menai Strait, Wales. September 2011.

Species

Buccinum undatum

Photographer / copyright holder

I.F. Smith

Buccinum undatum var. pelagica

Species

Buccinum undatum

Photographer / copyright holder

Steve Wilkinson

Specimen collected by Celia Pain collection from Dogger Bank. Length = 135mm.

Buccinum undatum var. crassa

Species

Buccinum undatum

Photographer / copyright holder

Steve Wilkinson

Specimen collected by Celia Pain collection from Off Whitby Yorkshire. Length = 96mm.

Species

Buccinum undatum

Photographer / copyright holder

Steve Wilkinson

Specimen collected by Celia Pain collection from Spoil heap, Whitstable, Kent. Length = 93mm.

Buccinum undatum

Species

Buccinum undatum

Photographer / copyright holder

Steve Wilkinson

Specimen collected by Celia Pain collection from Southport, Lancs. Length = 65mm.