30551 - Top Quality Association of 2 Ampyx sp Alignment in a Row Lower Ordovician Trilobites Fezouata Formation Shloenbacchia The mineral association and composition

The mineral association and composition and the sample texture indicate that probably this rock is

thanks to the fact that they are mineralized in calcite

Geochemistry: low-Ca pyroxene: Fs25

†Vascoceras Choffat 1898 (ammonite)

Well preserved specimen

30551 - Top Quality Association of 2 Ampyx sp Alignment in a Row Lower Ordovician Trilobites Fezouata Formation Shloenbacchia The mineral association and compositionAmpyx sp, Dalman 1827 (trilobite) Trilobita Asaphida Raphiophoridae https: www. nature. com articles s41598 019 51012 3 In these specimens it is observed that they were preserved in a row alignment. It is typical of some levels of the Upper Fezouata Formation. These levels are affected by what was a small storm, which produced certain taphonomic associations. In this case, this is the classic row association of specimens of the genus Amphyx. The