any one of various extinct lungfishes regarding the genus Ceratodus, of the Triassic and Cretaceous times.
A genus of ganoid fishes, associated with the purchase Dipnoi, first-known as Mesozoic fossil fishes; but recently two residing species have been discovered in Australian rivers. They will have lung area so well created they can leave the water and inhale atmosphere. In Australia they are called salmon and baramunda. See dipnoi, and archipterygium.
the normal genus of the family members Ceratodontidæ: so-called from horn-like ridges associated with the teeth.
some of different extinct lungfishes of the genus Ceratodus, associated with the Triassic and Cretaceous periods.
A genus of ganoid fishes, of order Dipnoi, first known as Mesozoic fossil fishes; but recently two living species were discovered in Australian streams. They will have lung area very well developed they can leave the water and breathe in air. In Australian Continent these are typically known as salmon and baramunda. See dipnoi, and archipterygium.
the normal genus of the family Ceratodontidæ: so called through the horn-like ridges regarding the teeth.