a lungfish of either of two genera, Ceratodus or Neoceratodus, having hornlike ridges on the teeth.
noun (pl) -duses
any of various extinct lungfish constituting the genus Ceratodus, common in Cretaceous and Triassic times Compare barramunda
hornlike; horny. adjective having the shape or texture of animal horn
Ceratophyllus Cer·a·to·phyl·lus (sěr’ə-tō-fĭl’əs, -tŏf’ə-ləs) n. A genus of fleas found in temperate climates, including species parasitic to birds and small mammals. Historical Examples
any of several four-footed, herbivorous dinosaurs of the suborder Ceratopsia, of the late Cretaceous Period, having an enlarged skull with a beak, a large perforated frill at the back, and, in some species, one or three horns. ceratopsian (sěr’ə-tŏp’sē-ən) Any of various dinosaurs of the group Ceratopsia of the late Jurassic and Cretaceous Periods. Ceratopsians […]
noun, adjective any dinosaur of the family Ceratopsidae, which includes the triceratops, having skull frills and massive horns Word Origin 1902