1. Cerithiopsis tubercularis. Glossy maroon shell. 3 spiral rows of tubercles on each whorl, except 4 smooth apical whorls of protoconch. Aperture has siphonal notch. On fine red seaweed growing on stone among muddy sand. Menai Strait, Wales, Aug. 2010.
2. Cerithiopsis tubercularis. Glossy maroon shell. 3 spiral rows of tubercles on each whorl, except 4 smooth apical whorls of protoconch. Aperture has siphonal notch. On fine red seaweed growing on stone among muddy sand. Menai Strait, Wales, Aug. 2010.

Cerithiopsis tubercularis. Glossy maroon shell. 3 spiral rows of tubercles on each whorl, except 4 smooth apical whorls of protoconch. Aperture has siphonal notch. On fine red seaweed growing on stone among muddy sand. Menai Strait, Wales, Aug. 2010.

Cerithiopsis tubercularis

© I.F. Smith

Cerithiopsis tubercularis

© I.F. Smith