Fissurella, Patella, and Voluta, all found in the same numeric relations as those in which they now exist upon the beach below.    From Wordnik.com.  [Louis Agassiz: His Life and Correspondence] Reference

The American province has also sent here representative species; for there is a Galapageian species of Monoceros, a genus only found on the west coast of America; and there are Galapageian species of Fissurella and Cancellaria, genera common on the west coast, but not found (as I am informed by Mr. Cuming) in the central islands of the Pacific.    From Wordnik.com.  [Chapter XVII] Reference

Galapageian species of Monoceros, a genus only found on the west coast of America; and there are Galapageian species of Fissurella and Cancellaria, genera common on the west coast, but not found (as.    From Wordnik.com.  [Journal of researches into the geology and natural history of the various countries visited by H.M.S. Beagle] Reference

Genres Chiton, Patella, Fissurella.pp.  308-312.    From Wordnik.com.  [Lamarck, the Founder of Evolution His Life and Work] Reference