''Trimerus'' is an extinct genus of trilobite in the family

Homalonotidae Homalonotidae is a family of trilobites that lived from the Ordovician to the Devonian. They are characterised by a shovel-like cephalon (arthropod anatomy), cephalon (head), and are closely related to the family Calymenidae. It contains the fol ...

. There is one described species in ''Trimerus'', ''T. dekayi''.

References

Homalonotidae Articles created by Qbugbot {{Phacopida-stub