Abstract
The six known extant species of lungfish, their familial designation, and continental distribution are listed. A second list includes 55 genera and 112 species described from the fossil record, their age, geographical distribution, a brief description of the material preserved, and literature sources. The second list includes two monotypic genera thought to have dipnoan affinities. Although the list of fossil material does not include all genera and species described, it does include all the better preserved taxa. Some of the important features of the fossil record of the Dipnoi are summarized.
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