ammonoid

Hi all, I have plans to make a large illustration showcasing the diversity of ammonoids, possibly along with other shelled cephalopods. Something reminiscent to those 'prehistoric animals' lineup posters common for science classrooms, as seen here...

What are the best examples of soft-part preservation in ammonoids? The attached 11 cm Late Jurassic ammonite from Solnhofen has some suggestive structures in its body chamber. I found the attached image of a 49 mm Allocrioceras with probable stomach contents (thought to be remains of...