Tahiri Museum

Displanus is a genus of extinct trilobites, a group of ancient marine arthropods. The name refers to a specific type of trilobite, with known examples being from Russia, measuring approximately 1.6 inches long and 0.9 inches wide, with a dark caramel-colored calcite shell Trilobites lived during the Paleozoic Era, but specific time periods for Displanus would require further research.

Dikelokephalina brenchleyi is a large, extinct trilobite species from the Early Ordovician period, found in the Fezouata Shale Formation of Morocco, specifically near Ouled Slimane. These marine arthropods are known for their excellent preservation and large size, with some specimens reaching over a foot in length.

Acado-Paradoxides is an extinct genus of redlichiid trilobite belonging to the family Paradoxididae. These fast-moving low-level epifaunal carnivores lived in the Middle Cambrian (abt 500 Ma).