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A Guide to the Study of Fishes, Volume 1 (of 2) Chapter 35 SUBCLASS DIPNEUSTI,[164] OR LUNGFISHES 
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A Guide to the Study of Fishes, Volume 1 (of 2) Chapter 35 SUBCLASS DIPNEUSTI,[164] OR LUNGFISHES Chapter 35 SUBCLASS DIPNEUSTI,[164] OR LUNGFISHES
The Lungfishes.-The group of Dipneusti, or lung-fishes, is characterized by the presence of paired fins consisting of a jointed axis with or without rays. The skull is autostylic, the upper jaw being made as in the Chim?ra of palatal elements joined to the quadrate and fused with the cranium, without premaxillary or maxillary. The dentary bones are
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