was covered by shallow seas in which the marine reptiles ichthyosaurs
and plesiosaurs lived, together with bony fishes and ammonites.
Muds and sandstones were deposited. Today some Jurassic rocks
can be seen along the Antrim coast; elsewhere they have been
million years ago one large continent existed called Pangaea
following the merger of Laurasia and Gondwana. However during
the Jurassic the Atlantic Ocean began to open up and Gondwana
and Laurasia started to drift apart. At this time Ireland was
situated north of the Equator.