H. ulvae. Arrows indicate sutures.Left: 6.5mm high, shallow sutures & flattened whorls, salting pool, upper Dee Estuary, Flints., 29 p.p.t. (variable). Right: 6mm high, deep sutures & rounded whorls, wet sand at mouth of Dee Estuary, Cheshire, 33 p.p.t.

Submitted by Ian Smith on Sat, 10/09/2011 10:49
Species
Photographer / copyright holder
I.F. Smith
Browse image
No
Top image
No
Sidebar Image
Yes