Ceratosauria is a relatively basal (primitive compared to the farthest extent) branch of theropods from the Jurassic and Cretaceous Periods. While it originally included the coelophysoids and the dilophosaurids, these groups are no longer considered ceratosaurs, and as it stands now, the exact origins of this group are uncertain. Many of them had head ornamentation. This group includes an assortment of uncertainly classified members, with the noasaurids and abelisaurids being advanced families. Ceratosaurians are split between the Wind and Fire Elements.
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- Ceratosauria
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| - Ceratosauria is a relatively basal (primitive compared to the farthest extent) branch of theropods from the Jurassic and Cretaceous Periods. While it originally included the coelophysoids and the dilophosaurids, these groups are no longer considered ceratosaurs, and as it stands now, the exact origins of this group are uncertain. Many of them had head ornamentation. This group includes an assortment of uncertainly classified members, with the noasaurids and abelisaurids being advanced families. Ceratosaurians are split between the Wind and Fire Elements.
- Die Zwichenordnung Ceratosauria ("gehörnte Echsen") umfaßt überwiegend fleischfressende Dinosaurier, mit einigen frühen Außnahmen, wie Limusaurus der noch Pflanzen fraß
- Ceratosaurs are members of a group of theropod dinosaurs defined as all theropods sharing a more recent common ancestry with Ceratosaurus than with birds. There is presently no universally agreed upon listing of species or diagnostic characters of Ceratosauria, though they were less derived anatomically than the more diverse Tetanurae. According to the latest and most accepted theory, Ceratosauria includes the Late Jurassic to Late Cretaceous theropods Ceratosaurus, Elaphrosaurus, and Abelisaurus, found primarily (though not exclusively) in the Southern Hemisphere. Originally, Ceratosauria included the above dinosaurs plus the Late Triassic to Early Jurassic Coelophysoidea (Coelophysis, Dilophosaurus, etc.), implying a much earlier divergence of ceratosaurs from other theropods. However, m
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| - *Abelisauridae
*Ceratosauridae
*Noasauridae
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| - Ceratosauria
- (Marsh, 1884)
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| abstract
| - Ceratosauria is a relatively basal (primitive compared to the farthest extent) branch of theropods from the Jurassic and Cretaceous Periods. While it originally included the coelophysoids and the dilophosaurids, these groups are no longer considered ceratosaurs, and as it stands now, the exact origins of this group are uncertain. Many of them had head ornamentation. This group includes an assortment of uncertainly classified members, with the noasaurids and abelisaurids being advanced families. Ceratosaurians are split between the Wind and Fire Elements.
- Ceratosaurs are members of a group of theropod dinosaurs defined as all theropods sharing a more recent common ancestry with Ceratosaurus than with birds. There is presently no universally agreed upon listing of species or diagnostic characters of Ceratosauria, though they were less derived anatomically than the more diverse Tetanurae. According to the latest and most accepted theory, Ceratosauria includes the Late Jurassic to Late Cretaceous theropods Ceratosaurus, Elaphrosaurus, and Abelisaurus, found primarily (though not exclusively) in the Southern Hemisphere. Originally, Ceratosauria included the above dinosaurs plus the Late Triassic to Early Jurassic Coelophysoidea (Coelophysis, Dilophosaurus, etc.), implying a much earlier divergence of ceratosaurs from other theropods. However, most recent studies have shown that coelophysoids do not form a clade with other ceratosaurs, and should be excluded from this group. Those analysis also imply that the Ceratosauria is probably a sister clade to the Tetanurae and thus shares a common ancestor.
- Die Zwichenordnung Ceratosauria ("gehörnte Echsen") umfaßt überwiegend fleischfressende Dinosaurier, mit einigen frühen Außnahmen, wie Limusaurus der noch Pflanzen fraß
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