|Runswick winter profile © P. McGrath 2014|
|Interestings © P. McGrath 2014|
And next to it, a couple of belemnites and a heavily-eroded ammonite jumbled together in a ball of fossilized ick. It's probably a midden; a ball of icthyosaur vomit or poop. Ammonite shells would have been almost impossible to digest and were probably either excreted or vomited back by the Jurassic marine predators.