Ceratodus
a lungfish of either of two genera, Ceratodus or Neoceratodus, having hornlike ridges on the teeth.
Historical Examples
noun (pl) -duses
any of various extinct lungfish constituting the genus Ceratodus, common in Cretaceous and Triassic times Compare barramunda
Read Also:
- Ceratoid
hornlike; horny. adjective having the shape or texture of animal horn
- Ceratophyllus
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
- Ceratopsian
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 […]
- Ceratopsid
noun, adjective any dinosaur of the family Ceratopsidae, which includes the triceratops, having skull frills and massive horns Word Origin 1902
- Ceratosaur
a carnivorous, swift-running North American theropod dinosaur of the genus Ceratosaurus and closely related genera, of the Jurassic Period, having a large skull with a short horn between the nostrils and a bony knob in front of each eye, and reaching a length of 20 feet (6.1 meter).