Question

Ichthyosaurs went extinct at the end of the:

Triassic Period

Permian Period

Jurassic Period

Cretaceous Period

Answer 1

is it D??

Answer 2

Yeah you are right......... :applause:

Answer 3

??????????

Answer 4

@RamiroCruzo I checked again if it is true...
it is true..
:P
https://en.wikipedia.org/wiki/Ichthyosaur

Answer 5

Extract Wiki:
"Ichthyosaurs thrived during much of the Mesozoic era; based on fossil evidence, they first appeared approximately 250 million years ago (mya) and at least one species survived until about ninety million years ago,[1][2] into the Late Cretaceous."