they have found fossils of these but it has not been able to find out so much about rudolfensis. the scientists estimated their height to 155 cm and they were strongly built with a strong bite.

How would the previous sentence be correctly capitalized?
They have found fossils of these but it has not been able to find out so much about Rudolfensis. The scientists estimated their height to 155 cm and they were strongly built with a strong bite.