ceratosaur การใช้

• The Tetanurae are more specialised again than the ceratosaurs.
• Different analyses have not found " Deltadromeus " to be a ceratosaur.
• The other possibility is that ceratosaurs evolved much earlier than the fossil record suggests.
• It may have been a ceratosaur.
• The new finds did however not allow for a detailed study of its evolutionary relationships among ceratosaurs.
• As more information was uncovered about basal ceratosaurs and that the name Megalosauridae should represent this group.
• In one pit a crocodilian was found against a small ceratosaur, in another three decapitated ceratosaurs.
• In one pit a crocodilian was found against a small ceratosaur, in another three decapitated ceratosaurs.
• The cladogram link between ceratosaurs is an exception, it would place the origin of coelophysids much too late.
• The simplest explanation is convergent evolution-ceratosaur bones evolved independently into a shape that resembles that of the earlier coelophysids.
• It is currently classified as Averostra " incertae sedis ", variously suggested to be a ceratosaur or basal tetanuran.
• Paul considered both " Proceratosaurus " and " Ornitholestes " to be neither ceratosaurs nor coelurosaurs, but instead primitive allosauroids.
• In megalosaurids and allosaurids, the orientation of the femoral head is anteromedial such as in ceratosaurs, but in avetheropods this orientation is fully medial.
• Researchers have presented evidence and arguments for air sacs in ceratosaurs, and the theropods " Aerosteon " and " Coelophysis ".
• Recent evidence, however, has shown large distinctions between the later, larger and more advanced ceratosaurs and earlier forms like " Coelophysis ".
• Subsequent studies have confirmed the original interpretation as a basal ceratosaur, outside of Neoceratosauria, more closely in the evolutionary tree to " Elaphrosaurus ".
• As is typical for ceratosaurs, the abelisaurid finger bones on the first or fourth digits, only one on the second digit and two on the third digit.
• It is potentially synonymous with " Deltadromeus ", another theropod from the early Late Cretaceous of North Africa, this would possibly make it the largest ceratosaur.
• The Kayenta Formation has produced several mass burial sites, and the remains of three coelophysoid taxa of different body size, which represents the most diverse ceratosaur fauna yet known.
• The somewhat more advanced ceratosaurs ( including " Ceratosaurus " and " Carnotaurus " ) appeared during the Early Jurassic and continued through to the Late Jurassic in Laurasia.