👉 The term "brachiosaurus" refers to a type of dinosaur known from the Late Cretaceous period. These dinosaurs were part of a group called Triassic Diplodocus, which included many other dinosaur species like Triceratops and Dromaeosaurus. However, it's important to note that the exact meaning of "brachiosaurus" can vary depending on cultural and scientific contexts. In general, brachiosaur is a type of trilobite (a