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G. J.  Vermeij, Dudley, E. C., and Zipser, E., ?Successful and unsuccessful drilling predation in Recent pelecypods?, Veliger, vol. 32, pp. 266-273, 1989.

R. L.  Squires, ?New stratigraphic and geographic occurences of Isognomon (Mollusca: Bivalvia) from the Eocene of California and Oregon?, Transactions of the San Diego Society of Natural History, vol. 21, pp. 275-282, 1989.

E.  Savazzi, ?Shell torsion and life habit in the Recent mytilid bivalve Modiolus philippinarum?, Palaeogeography, Palaeoclimatology, Palaeoecology, vol. 72, pp. 277-282, 1989.

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P. M.  Mikkelsen and Bieler, R., ?Biology and comparative anatomy of Divariscintilla yoyo and D. troglodytes, two new species of Galeommatidae (Bivalvia) from stomatopod burrows in eastern Florida?, Malacologia, vol. 31, pp. 175-195, 1989.

N. H.  Ludbrook and Gowlett-Holmes, K. L., ?Chitons, gastropods and bivalves?, in Marine invertebrates of Southern Australia. Part 2, S. A.  Shepherd and Thomas, I. M., Eds. Adelaide: South Australian Government Pronting division, 1989, pp. 504-724.

P. Giuseppe Caretto, Durand, P., and Blanc, F., ?Apport de l'analyse biométrique à l'étude des relations phylogénétiques de la nacre fossile Pteria margaritifera studeri (Mayer) (Mollusque, bivalve, Pteriidae)?, Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano, vol. 130, pp. 205-216, 1989.

J. C.  Britton and Morton, B., Shore ecology of the Gulf of Mexico. Austin, TX: University of Texas Press, 1989, p. 387.

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F.  Blanc and Durand, P., ?Genetic variability in natural bivalves populations: the case of the black-lipped pearl oyster Pinctada margaritifera?, La Mer, vol. 27, pp. 125-126, 1989.

P. Giuseppe Caretto, Durand, P., and Blanc, F., ?Apport de l'analyse biométrique à l'étude des relations phylogénétiques de la nacre fossile Pteria margaritifera studeri (Mayer) (Mollusque, bivalve, Pteriidae)?, Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano, vol. 130, pp. 205-216, 1989.

N. H.  Ludbrook and Gowlett-Holmes, K. L., ?Chitons, gastropods and bivalves?, in Marine invertebrates of Southern Australia. Part 2, S. A.  Shepherd and Thomas, I. M., Eds. Adelaide: South Australian Government Pronting division, 1989, pp. 504-724.

R. L.  Squires, ?New stratigraphic and geographic occurences if Isognomon (Mollusca: Bivalvia) from the Eocene of California and Oregon?, Transactions of the San Diego Society of Natural History, vol. 21, pp. 275-282, 1989.