Smithsonian Contributions to Zoology
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The work was partially supported by grants commenting on the key: E. S. McSweeny, G. Y. HenGB 57294 and GA 1493 from the National Science drix, E. T. LaRoe, and students of the invertebrate | Foundation. We wish to thank the following persons taxonomy class. Key to the Families of the Order Teuthoidea 1. ... fins convex (i.e., curves anteriorly toward midline) (Figure 1A) . . . . . Pickfordiateuthidae (Plate lc, D) 3. Funnel free from mantle; a funnel-mantle locking apparatus present .