''Meniscopsia'' is a genus of

trilobite Trilobites (; meaning "three-lobed entities") are extinction, extinct marine arthropods that form the class (biology), class Trilobita. One of the earliest groups of arthropods to appear in the fossil record, trilobites were among the most succ ...

known from mid-

Cambrian The Cambrian ( ) is the first geological period of the Paleozoic Era, and the Phanerozoic Eon. The Cambrian lasted 51.95 million years from the end of the preceding Ediacaran period 538.8 Ma (million years ago) to the beginning of the Ordov ...

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