Obviousness is a critical element to patentability. In essence, even if the applicant can demonstrate patentable subject matter, utility and novelty, the patent will not issue if the invention is trivial.
While the earliest C. megalodon remains were reported from late Oligocene strata, around 28 million years old, a more reliable date for the origin of the species is the early Miocene, about 23 million years ago.
Back to Dinosaurs for Kids Back to Time Lived Back to 75 Million Years Ago Back to Titanosaurus. Titanosaurus was first discovered and named in 1870 in India. What we know about this dinosaur is based on just a few fossils. It was not until 1996 that a good skull specimen was discovered by Ruben Martinez. This skull showed that Titanosaurus had a long narrow head, with small evenly spaced teeth similar to a garden rake.