What dinosaur was related to spinosaurus aegyptiacus and what was the size

To name a few:

Sigilmassasaurus - 40 - 50 feet long

Baryonyx - holotype was 20 - 30 feet long, although it may not have been fully grown.

Suchomimus - 40 feet long

Irritator - 26 feet long

and many more. Do you need help on anything else?

Explanation:

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.

a plantation economy is an economy based on agricultural mass production, usually of a few commodity crops grown on large farms called plantations. plantation economies rely on the export of cash crops as a source of income.

i hope this : )