Emarginula fissura
Length = 7mm height. Collected from Loch Spelve mouth off Port nan Crullach on 11/07/1994.
<em>Emarginula fissura</em> (Linnaeus, 1758)
Length = 7mm height. Collected from Loch Spelve mouth off Port nan Crullach on 11/07/1994.
Length = 7mm height. Collected from Loch Spelve mouth off Port nan Crullach on 11/07/1994.
Length = 7mm height. Collected from Loch Spelve mouth off Port nan Crullach on 11/07/1994.
Length = 9mm. Collected from Belvoir and Shell Bays, Herm on 11/04/1983.
Length = 10mm. Collected from Belvoir and Shell Bays, Herm on 11/04/1983.
Length = 10mm. Collected from Belvoir and Shell Bays, Herm on 11/04/1983.
Frequent
Found on all Atlantic coasts.
Lives on the underside of rocks which harbour growths of sponge on which it feeds. An exhalent siphon is projected through the slit.
Conical shell up to 10mm in length (6mm in height) with slit in the anterior margin. White both inside and out. The surface is sculptured with a coarse reticulate pattern with 25-35 radiating ridges.