Tyrannosauridae
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Tyrannosauridae merupakan bangsa Dinosurus yang paling ditakuti, oleh karena itu diberi nama "tyrann" yang berarti penguasa. anggota dari genus ini memiliki ciri khas yakni memiliki tulang pinggul yang kuat untuk menopang beban tubuhnya, sehingga dapat berdiri dengan 2 kakinya. selain itu, genus tyrannosauridae memiliki gigi yang tajam dan tulang rahang yang kuat. anggota dari genus ini bervariasi mulai dari ignitochus sampai T-rex. bangsa tyrannosauridae memiliki rekor kecepatan yang cukup tinggi, sampai 70 km/jam (untuk T-rex).
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Tyrannosaurs | |
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T. Rex skull, picture taken at Field Museum of Natural History, Chicago | |
Status konservasi: Fosil
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Famili: | Tyrannosauridae Osborn, 1906
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Tyrannosaurids were originally classified as "carnosaurs," along with most of the rest of the large theropods. Recent phylogenetic studies, though, have determined that tyrannosaurids are coelurosaurs, a group which also includes the ornithomimids and the maniraptorans. Thus they are more closely related to dromaeosaurids than to other large predatory dinosaur groups like the allosaurs. Discoveries of basal, "coelurid"-like tyrannosauroids have helped solidify this link.
Tyrannosaurs are characterized by broad, massive skulls, short, powerful necks, and reduced arms with only two digits.
- Weight: up to 6.4 tonnes (up to 7 US tons)
- Length: up to 14 metres (up to 46 ft)
- Location: Western Europe, North America, Central and East Asia (area dependent on species)
- Period: Late Cretaceous
List of Species
The Tyrannosaurids contain several genera and species, of which Tyrannosaurus rex is undoubtedly the most well-known. The following is a list of all known tyrannosaur genera:
- Superfamily Tyrannosauroidea
- (primitive tyrannosaurs)
- Family TYRANNOSAURIDAE
- Aublysodon
- Deinodon
- Subfamily Albertosaurinae
- Subfamily Tyrannosaurinae
- Alioramus
- Tribe Tyrannosaurini