What is "magharina"

Magharina small upper Bajocian ammonite (order Ammonitida) with a small smooth involute shell having a single keel along the venter and extremely simple sutures.

This genus, named by Arkell, 1952, is included in the ammonoid family, Oppeliidae ( Haploceratoidea) and was first found in the Sinai. The type species is M. magharensis.