@article {7523, title = {First occurrence of the Tethyan bivalve Nayadina (Exputens) in Mexico, and a review of all species of this North American subgenus}, journal = {The Veliger}, volume = {33}, number = {3}, year = {1990}, note = {reprint}, pages = {305-316}, keywords = {bivalvia, cenozoic, eocene, exputens, fossil record, malleidae, mollusca, nayadina, pterioidea, taxonomy}, author = {Squires, Richard L.} } @article {7333, title = {Reproductive cycle of the Western Australian silver lip pearl oyster Pinctada maxima (Jameson) (Mollusca: Pteriidae)}, journal = {Journal of Shellfish Research}, volume = {9}, number = {2}, year = {1990}, note = {PDF}, pages = {261-272}, keywords = {bivalvia, mollusca, pinctada, pinctada maxima, pteriidae, pterioidea, reproduction}, author = {Rose, R. A. and Dybdahl, R. and Harders, S.} } @inbook {6020, title = {Further studies on some Cercariae of molluscs collected from the shores of Hong Kong}, booktitle = {the marine flora and fauna of Hong Kong and Southern China 2 [Proceedings of the Second International Marine Workshop: , Hing Kong, 2-24 April 1986]}, volume = {1}, year = {1990}, pages = {232-257}, publisher = {Hong Kong University Press}, organization = {Hong Kong University Press}, address = {Hong Kong}, keywords = {bivalvia, mollusca, parasitism, pteria penguin, pterioidea, trematoda}, author = {Chong-ti, Tang}, editor = {Morton, Brian} }