21047 - Rare Parabathycheilus cf. gallicus Lower Ordovician Fezouata Fm KemKem_Sawfish upper and lower teeth interdigitate

upper and lower teeth interdigitate tightly in anterior region of the snout

Parent taxon: Anetoceratinae according to D

Goldfuss 1843 (trilobite)

Eurypholis

They were obligate encrusters and attached themselves to inorganic or biologic hard substrates (frequently hardgrounds or brachiopods)

21047 - Rare Parabathycheilus cf. gallicus Lower Ordovician Fezouata Fm KemKem_Sawfish upper and lower teeth interdigitateParabathycheilus sp, Mergl 1984 (trilobite) Trilobita Ptychopariida The Fezouata Formation occurs in the lower part of the Lower to lower Middle Ordovician Outer Feijas Group, in the western, central and eastern Anti Atlas Mountains, southern Morocco (Destombes et al. 1985; Gutierrez Marco & Martin 2016). It comes from The Konservat Lagersttten of Lower Fezouata Fm that spans the entire Tremadoc stage of the Ordovician system and is only present in