The Helmet shells of the world (Cassidae) Part 1
Abbott, R.T. (1968). The Helmet shells of the world (Cassidae) Part 1. Indo-Pacific Mollusca 2(9): 7-201
In: Tucker Abbott, R. (Ed.) Indo-Pacific Mollusca: monographs of the marine mollusks of the tropical western Pacific and Indian Oceans. Academy of Natural Sciences of Philadelphia. The Dept. of Mollusks: Philadelphia. , more
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