Hiatella rugosa in situ in limestone boring, rock split open. b: lower face of narrow outer boring, bored when juvenile. s: siphon tip of neighbouring specimen projecting from rock surface. Menai Strait, April 2011.
Hiatella rugosa in situ in limestone boring, rock split open. b: lower face of narrow outer boring, bored when juvenile. s: siphon tip of neighbouring specimen projecting from rock surface. Menai Strait, April 2011.
Hiatella rugosa in situ in limestone boring, rock split open. b: lower face of narrow outer boring, bored when juvenile. s: siphon tip of neighbouring specimen projecting from rock surface. Menai Strait, April 2011.