Around 2000-2001, I worked for a construction company on a site in Daventry, which I believe is now the Tescos distribution centre at DIRFT, nr. Crick.
The ground was often a blueish grey clay, and it had a hell of a lot of fossils in it. Rain and digging pits for foundations would wash out a lot of fossils, including Belemnites, Ammonites, bivalves, brachiopods, molluscs, crinoid stems etc.
Up the far end of the site was some red shale, and this had a lot of plant fossils, Lepidodendron mainly, and I believe I might have a Cruziana trilobite track too.
I'd often spend my lunchtime poking around, and would usually have my eyes on everything coming out of the ground.
The suture line can just be made out here.
The second larger specimen-
The main highlights on the grey clay-
^ A carnivorous mollusc bored a hole into the larger mussel shell above.
And finally into the red shale-
^ this is the reverse side of the shale piece on the right, both sides had scale tree fossils.
Finally the possible Cruziana-
Maybe it is part of a plant fossil, most likely just seeing the band across it is what made me pick it up, but after a section flaked off, it showed a more 3D shape into the shale.
Any ideas on what sort of ages these would be?
There is a slight possibility I've ended up mixing some other bits and pieces collected along the way, the the red shale, large ammonites, crinoid stems and stars and belemnites would certainly been from Daventry.