What does ceratosaur mean?

Definitions for ceratosaur

This dictionary definitions page includes all the possible meanings, example usage and translations of the word ceratosaur.

Princeton's WordNet

  1. ceratosaur, ceratosaurusnoun

    primitive medium-sized theropod; swift-running bipedal carnivorous dinosaur having grasping hands with sharp claws and a short horn between the nostrils; Jurassic in North America


  1. ceratosaurnoun

    Any of many dinosaurs of the infraorder Ceratosauria


  1. ceratosaur

    Ceratosaurs are members of the clade Ceratosauria, a group of dinosaurs defined as all theropods sharing a more recent common ancestor with Ceratosaurus than with birds. The oldest known ceratosaur, Saltriovenator, dates to the earliest part of the Jurassic, around 199 million years ago. According to the majority of the latest research, Ceratosauria includes three major clades: Ceratosauridae, Noasauridae, and Abelisauridae, found primarily (though not exclusively) in the Southern Hemisphere. Originally, Ceratosauria included the above dinosaurs plus the Late Triassic to Early Jurassic Coelophysoidea and Dilophosauridae, implying a much earlier divergence of ceratosaurs from other theropods. However, most recent studies have shown that coelophysoids and dilophosaurids do not form a natural group with other ceratosaurs, and are excluded from this group.Ceratosauria derives its names from the type species, Ceratosaurus nasicornis, described by O.C. Marsh in 1884. A moderately large predator from the Late Jurassic, Ceratosaurus nasicornis, was the first ceratosaur to be discovered. Ceratosaurs are generally moderately large in size, with some exceptions like the larger Carnotaurus and the significantly smaller noasaurs. The major defining characteristics of Ceratosauria include a robust skull with increased ornamentation or height and a shortening of the arms. Both of these characteristics are generally accentuated in later members of the group, such as the abelisaurs, whereas more basal species such as C. nasicornis appear more similar to other basal theropods. The highly fragmented nature of the ceratosaur fossil record means that the characteristics, relationships, and early history of Ceratosauria remain mysterious and highly debated.

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  1. Chaldean Numerology

    The numerical value of ceratosaur in Chaldean Numerology is: 7

  2. Pythagorean Numerology

    The numerical value of ceratosaur in Pythagorean Numerology is: 4

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"ceratosaur." Definitions.net. STANDS4 LLC, 2023. Web. 10 Jun 2023. <https://www.definitions.net/definition/ceratosaur>.

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