The structures are considered to be one of the oldest ecosystems on Earth
fossils
Researchers believe they've recovered more than 170 species from the site
Much about the ichthyosaur, the whale-like massive marine reptile, remains a mystery because very few fossil remains have been found
The fossil find, Apidima 1, originates from the site of Apidima, southern Greece
The four fossils give a window into a world when frogs and toads were evolving in the rainforests
"They didn’t feel it was important enough to look at, I thought that was very odd"
The rare fossils were discovered by Greek paleontologist, Giorgos Georgalis
It lived about 60 million years ago