Apatosaurus/ Brontosaurus

Apatosaurus / Brontosaurus

Sauropods were large , long-necked plant-eating dinosaurs that first appeared in the Triassic Period and proliferated in the Jurassic . They had tiny heads that logded even tinier brains , and long tails which counterbalanced their very long necks . To the infra of sauropods ( lizard-footed ) belonged the five families of Diplodocids Brachiosaurids , Carnasaurids , Titanosaurids and Cetiosaurids . The dinosaurian species Apatosaurus belonged to the sauropod family of Diplodocids they were land-roaming giants that lived in the present day North American region for a relatively brief period during the Jurassic between about 157 mya

and 146 mya . They were among the largest animals that ever lived on the planet , and are generally considered as the largest type of dinosaur . Apatosaurus reached a length of 70 to 90 feet from the end of their tail to the mouth , with their necks alone being over 20 to 40 feet long . They were about 15 feet tall at hips , weighing around 30 to 35 thousand kilograms , or about the weight of 5 elephants An interesting feature of diplodocoids , a part of their physiognomy , is that they had their nostrils positioned above their eyes , on the top of their heads

The name `Apatosaurus , meaning `deceptive lizard ' is not particularly apt for these dinosaurs , and was given for some circumstantial reasons associated with their original discovery . However , these giant creatures are also popularly known by another name `Brontosaurus , meaning `thunder lizard , which is a much more appropriate of the mighty beast . The reason these dinosaurs have two...