Fig. 2From: Soft-tissue preservation in the Middle Jurassic ammonite Cadoceras from Central RussiaFragment of the mantle tissue of the Cadoceras stupachenkoi. a Overview of the mantle fragment. Scale bar 2.5 mm. b, c, Longitudinal muscle fibers in the mantle fragment. Scale bars 1 mm. d Two muscle fibers. Scale bar 0.5 mmBack to article page