The New Encyclopaedia Britannica, Volume 18Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 162
... Tetraodontiformes The order Tetraodontiformes is a group of primarily trop- ical marine fishes that evolved from the Perciformes ( the typical advanced spiny - rayed fishes ) during the Eocene Period of the Cenozoic Era , about ...
... Tetraodontiformes The order Tetraodontiformes is a group of primarily trop- ical marine fishes that evolved from the Perciformes ( the typical advanced spiny - rayed fishes ) during the Eocene Period of the Cenozoic Era , about ...
Page 163
... Tetraodontiformes are distin- guished externally by a small gill opening restricted to a relatively short slit on the side of the head and a small mouth , usually equipped with massive teeth . The scales of the body are typically highly ...
... Tetraodontiformes are distin- guished externally by a small gill opening restricted to a relatively short slit on the side of the head and a small mouth , usually equipped with massive teeth . The scales of the body are typically highly ...
Page 164
... Tetraodontiformes come into use ; the group still is often called the Plectognathi and its two suborders the ... tetraodontiforms , with all species well illustrated . BRUCE W. HALSTEAD , Poison- ous and Venomous Marine Animals of the ...
... Tetraodontiformes come into use ; the group still is often called the Plectognathi and its two suborders the ... tetraodontiforms , with all species well illustrated . BRUCE W. HALSTEAD , Poison- ous and Venomous Marine Animals of the ...
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