News yesterday of a study that shows Britain to be home to one of the most diverse set of dinosaurs in the world.
It was a review study, which found 108 different species of dinosaurs had been discovered in Britain. Of course, It's not as if such a variety was intermingling all at once. The Mesozoic era (the dinosaur heyday) spanned 180 million years - although the article posits a 135 million year span for those dinosaurs identified in the review.
The originating article stresses that Britain was a final land bridge before North America finally separated from Europe (and Asia) - according to the article, that split happened at about the end of the Mesozoic (and the dinosaur) era.
Yet, as is pointed out, Britain has the longest history of research and exploration. Given global discoveries to date can only be scratching the surface of the extant fossil record, I imagine this contributes an amount of bias to the outcome of the study. However, that's not to deny the significance of a (relatively narrow) land bridge in the mixing of what could by then have been two rather distinct populations.
The work was published by the Geological Society of London, by academics at the University of Portsmouth. Of note, one of the authors is Darren Naish, who writes the always-interesting Tetrapod Zoology blog.