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Geology and paleontology of Canal Zone and adjoining parts of Panama: Description of Tertiary mollusks (additions to gastropods, scaphopods, pelecypods Nuculidae to Malleidae)
W. P. Woodring
1973, Professional Paper 306-E
Chapter E adds 112 described species and subspecies (a few briefly described) to the some 440 covered in preceding chapters : 27 additional gastropods, 18 scaphopods, and 67 pelecypods in 10 families. It is estimated that about 125 species are to be added in chapter F, the final chapter.The Arcidae...