From the album: alpine triassic Ammonoids
Size is 40cm x 18cm. Austrotrachyceras austriacum MOJS. (ribbed with nodes, 4cm diameter) on the left lower half, Joannites sp., Arcestes gaytani,
Megaphyllites sp., Mojsvarites agenor(on top), small Sirenites sp. and several orthocone Nautiloids and bivalves.