"This is the first supplement to the Catalogue and Bibliography of the Marine Shell-bearing Mollusca of Japan ... published in 1999"--P. 4. siris_sil_675669 ...
With over 100,000 described extant species in eight major lineages, Mollusca is the second most speciose animal phylum 6. Many molluscs are economically important as food and producers of pearls and ...