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3.2.2.3 Subclass Brachiopterygii
This subclass is represented by a single family, Polypteridae, which includes 10 species. The members of this group have ganoid scales and spiracle is present. The fishes of this group respire with gills, supplementing them with lungs (e.g., Calamoichthys calabaricus). |
Last modified: Tuesday, 24 January 2012, 9:21 AM