Gernamex Xenocide

The Germamex Xenocide was an Imperial xenocidal purgation campaign conducted by the Emperor's Trident Space Marine Chapter against the upstart (and now extinct) Gernamex xenos race.

Background
The Gernamex Xenocide was an Imperial campaign against the xenos species known as the Gernamex, when the 3rdCompany entered the Arthuo System to scout out said system for an oncoming Imperial Colony vessels. By the time the company entered the orbit of Arthuo V the Strike Cruiser was immediately assaulted by orbital cannons by the newly discovered Gernamex xenos species. When the company made planetfall via drop-pods to assault the species head-on. It wasn't until the chapter found out that there were two types of enemies a Lesser Maw Fiend and a Greater Maw Fiend. After months of warfare the chapter assaulted hive after hive setting holy fire to their dens and dragging their queens from their chambers. After the last queen was butchered the world of Arthuo V became an Imperial World.