1. Cerithiopsis tubercularis. Glossy maroon shell. 3 spiral rows of tubercles on each whorl, except 4 smooth apical whorls of protoconch. Base of final whorl lacks tubercles. Small black tipped siphon in siphonal notch. On fine red seaweed. Menai, Aug. 2010.
2. Cerithiopsis tubercularis. Glossy maroon shell. 3 spiral rows of tubercles on each whorl, except 4 smooth apical whorls of protoconch. Base of final whorl lacks tubercles. Small black tipped siphon in siphonal notch. On fine red seaweed. Menai, Aug. 2010.

Cerithiopsis tubercularis. Glossy maroon shell. 3 spiral rows of tubercles on each whorl, except 4 smooth apical whorls of protoconch. Base of final whorl lacks tubercles. Small black tipped siphon in siphonal notch. On fine red seaweed. Menai, Aug. 2010.

Cerithiopsis tubercularis

© I.F. Smith

Cerithiopsis tubercularis

© I.F. Smith