4a] Did the dinosaurs really exist?

4a]
To sum up: Islam does notdeny that these creatures existed or that they were of this great size, but the fact remains that when they speak of their lifespans and the details of their forms and lives, this is the field of science and speculation combined. The Muslim should not be preoccupied with that andhe should not waste time discussing it or believe that it is a matter that hasany impact on his religious commitment or belief, because he knows that the Qur’aan and Sunnah were revealed to guide people and show them the right way; their focus is not history, geography, earth science or biology, although they indicate many facts that have to do with these fields. There are some kinds of animals that are not mentioned in Qur’aan and Sunnah at all, even though they existed at the time the Qur’aan was revealed.
And Allah knows best.