''Panderiidae'' is a family of

trilobite Trilobites (; meaning "three lobes") are extinct marine arthropods that form the class Trilobita. Trilobites form one of the earliest-known groups of arthropods. The first appearance of trilobites in the fossil record defines the base of the At ...

s in the order

Corynexochida Corynexochida is an order of trilobite that lived from the Lower Cambrian to the Late Devonian. Like many of the other trilobite orders, Corynexochida contains many species with widespread characteristics. The middle region of the cephalon (the ...

. These nektobenthic carnivores lived in the

Ordovician The Ordovician ( ) is a geologic period and System (geology), system, the second of six periods of the Paleozoic Era (geology), Era. The Ordovician spans 41.6 million years from the end of the Cambrian Period million years ago (Mya) to the start ...

period, from 488.3 to 443.7 Ma.The Paleobiology Database
/ref>

Genera

*'' Hemibarrandia'' *'' Panderia''

Distribution

Fossils of this genus have been found in the

sediments of Czech Republic, France, Norway, Spain, Sweden and United Kingdom.

References

Ordovician trilobites Illaenina Trilobite families {{Corynexochida-stub