Why not add a number of ancient bugs to your card collection? Many of them are very large and curious looking. There is a good selection of pictures at https://www.google.com/search?q=ANCIENT+INSECTS&safe=active&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwjy6pCcmcXZAhUDZawKHeYTC50QsAQIggE&biw=1280&bih=541.
Public Broadcasting's Eons has a short YouTube video of ancient insects that is very interesting:
Another interesting video is found at https://youtu.be/0d7ADJuRKz0?t=3m37s.
Arizona State has an excellent site about prehistoric insects at