Nineteen new species of teleost fishes, based on otoliths, are added to 34 previously known early Cenozoic species. One family (Osteoglossidae) that is represented in early Cenozoic strata is absent in Recent faunas of the Gulf of Mexico; 10 families are inshore forms; one family (Myctophidae) is bathypelagic; a family that includes uncertainly placed beryciforms is either bathypelagic or benthonic. Terminology of the saccular otolith (sagitta) is illustrated, and terms for the utricular otolith (lapillae) are proposed.

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