''Meniscopsia'' is a genus 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 ...

known from mid-

Cambrian The Cambrian Period ( ; sometimes symbolized C with bar, Ꞓ) was the first geological period of the Paleozoic Era, and of the Phanerozoic Eon. The Cambrian lasted 53.4 million years from the end of the preceding Ediacaran Period 538.8 million ...

Lagerstätten of the western United States. The sediment-filled guts and the digestive glands of some specimens are preserved, indicating a predatory habit.

References

Ptychopariida genera Cambrian trilobites Extinct animals of the United States {{cambrian-animal-stub