HETEROMORPH and DARWIN - a talk by Wolfgang Grulke to the Friends of Lyme Regis Museum

Almost 10 years after the publication of his award-winning HETEROMORPH book, Wolfgang Grulke gives his first talk on these most bizarre ammonites and what has been learnt about them since. We now know that uncoiled heteromorph ammonites present intriguing evolutionary puzzles - and raise questions that might well have perplexed Darwin. This video is an extract of that talk.