سلام دوستاي خوبم. يه مقاله جالب درباره دايناسورها ديدم که گفتم براي شما هم بزارم تا بخونيد. اگر هم به مبحث دايناسورها علاقه منديد براي اطلاعات بيشتر مي تونيد به خود وبسايت هاي مرجع Dino Dinosaur و dino Dinosaurs مراجعه کنيد.



[align=CENTER]Ten Most Dangerous Dinosaurs[/align][align=CENTER]10 خطرناک ترين دايناسورها[/align]

بياييد سفري به گذشته هاي بسيار دور داشته باشيم و با خطرناک ترين جانوراني که تاکنون در کره زمين زندگي کرده اند آشنا شويم. در واقع اين يک موهبت بزرگ است که اين جاندارن امروز منقرض شده اند چراکه در غيراينصورت زندگي انسان در کره زمين غيرممکن بود. در اين مقاله به معرفي خطرناک ترين دايناسورها مي پردازيم، و شايد اينکه آنها هرگز به زندگي دوباره در کره زمين برنخواهند گشت را مي توان خبر خوبي قلمداد کرد!




10. SINOSAUROPTERYX


تصویر

This was the first dinosaur discovered from the Yixian Formation. They were indigenous of north eastern China and were there during Cretaceous period. They belong to the Compsognathus family. They had a short arms and a long tail as shown in the picture.




9. TROODON


تصویر
As it is shown in the picture they are small dinosaur and look like a bird in general. They lived in Cretaceous period. They belong to the Troodontidae family. Their fossil was found in North America. Their length was 2.5 meter and they were 50 kilogram weighted. The meaning of their name is “wounding tooth.”




8. ANKYLOSAURUS

تصویر

Ankylosaurus belong to the family of Ankylosauridae and the meaning of their name is fused lizard. There maximum length is up to nine meter and their maximum weight is 6,000 kilogram. Their time period was Cretaceous and they were found in Northern America.



7. SARCOSUCHUS


تصویر
These giant size dinosaurs belong to the Pholidosauridae family. There living period can be trace back around 112 million years ago. These are probably among the biggest dinosaurs ever lived. Their normal length was 12 meter and they were over 8 tones weighted. Their fossil was found in Africa.




6. ALLOSAURUS

تصویر
Allosaurus belongs to the Allosauridae family and they were found in around 155 million years ago. Allosaurus means “different Lizards”. Their normal length was 9 meter and according to the one of opinion they may grow to the maximum length of 12 meter. And they were 2.3 metric tons weighted. Oh my god such a monstrous creature they were.




5. LIOPLEURODON


تصویر
Liopleurodon dino belongs to the Pilosauroidea family. As shown form the meaning of the name they had smooth sided teeth and were marine reptiles. They were found in the Jurassic period but their fossils were found in England and France. Their normal length was 25 meter.




4. KRONOSAURUS

تصویر


These dinosaurs belong to the Pilosauroidea family. Their fossils were found in Australia. The meaning of their name is “Lizard of Kronos”. Their average length was 13 meter. They had large teeth up to seven centimeter which may grow to the thirty centimeter.




3. AMPHICOELIAS FRAGILLIMUS


تصویر
These dinosaurs belong to the Diplodocoidea family. Their average length is forty to sixty meter and they were 122 metric tons weighted. I guess these are the longest species of its family. Their fossils were lost so there is no vast information available about them.




2. VELOCIRAPTOR

تصویر
These vibrant dinosaurs were lived about 75 million years ago. They were as well part of Cretaceous period. They were found in China and Mongolia. They belong to the Dromaeosauridae family. Their average length was two meter and they were up to fifteen kilogram weighted.




1. TYRANNOSAURUS REX

تصویر
They belong to the Tyrannosauridae family. The meaning of their name is “Tyrant Lizard”. Their fossil was found in Western North America. Their normal length was up to 12 meter and they were around six meter weighted. They had long tail and short arms as we all have seen in famous Jurassic Park movie.