Dipterus is an extinct freshwater lungfish from the Devonian Period.

ACTION • ANAL FINS • ANIMAL BEHAVIOR • ANIMAL FAMILY • ANIMAL THEMES • ANIMAL • ANIMALS IN THE WILD • AQUATIC • ARTWORK • BAYOU • BIODIVERSITY • BOTANICAL • BOTANY   • BOTANY • BOTANY  • CARBONIFEROUS PERIOD • CARBONIFEROUS • CAUDAL FINS • COLOR IMAGE • COLOUR IMAGE • CREATURE • DAY • DEVONIAN • DIGITALLY GENERATED IMAGE • DIPTERIDAE • DIPTERUS MACROLEPIDOTUS • DIPTERUS • DORSAL FINS • ECOSYSTEM • EVOLUTION • EXTINCT • FISH • FLEET • FRESH WATER • FRESHWATER • FULL LENGTH • GROUP • HORIZONTAL • ICHTHYOLOGY • ILLUSTRATION • LAKE • LATERAL VIEW • LOBE-FINNED FISH • LUNGFISH • MARINE BIOLOGY • MARINE • MEDIUM GROUP OF ANIMALS • MORPHOLOGY • MOTION • NATURAL HISTORY • NATURAL SCIENCES • NATURE STUDY • NATURE • NAVY • NO PEOPLE • OCEAN FLOOR • OCEAN LIFE • OCEAN • OMNIVORE • OSTEICHTHY • OSTEICHTHYES • OUTDOOR • OUTDOORS • OUTSIDE • PALAEONTOLOGY • PALAEOZOOLOGY • PALEOART • PALEOBIOLOGY • PALEOBOTANY • PALEOICHTHYOLOGY • PALEONTOLOGY • PALEOZOIC ERA • PALEOZOOLOGY • PAST • PLANT • PREHISTORIC ERA • PRIMEVAL • PRIMITIVE • RIVER • SALAMANDERFISH • SARCOPTERYGII • SCHOOL OF FISH • SCIENCE • SCIENCE: EVOLUTION • SEA LIFE • SEA • SEAS • SIDE VIEW • SPECIES • SWAMP • SWIMMING • TOGETHERNESS • UGLINESS • UNDERSEA • UNDERWATER • WATER • WILDERNESS • WILDLIFE • WITHOUT PEOPLE • ZOOLOGY