Dikelocephalus
Encyclopedia
Dikelocephalus is a genus of trilobite
that was from the Sunwaptan (uppermost Cambrian
). Their fossils are commonly found as disarticulated sclerites in the upper Mississippi Valley of North America
. Sclerite size ranges from a few millimeters to almost 15 centimeters or so. The total animal approached 50 cm (19.7 in) long.
Trilobite
Trilobites are a well-known fossil group of extinct marine arthropods that form the class Trilobita. The first appearance of trilobites in the fossil record defines the base of the Atdabanian stage of the Early Cambrian period , and they flourished throughout the lower Paleozoic era before...
that was from the Sunwaptan (uppermost Cambrian
Cambrian
The Cambrian is the first geological period of the Paleozoic Era, lasting from Mya ; it is succeeded by the Ordovician. Its subdivisions, and indeed its base, are somewhat in flux. The period was established by Adam Sedgwick, who named it after Cambria, the Latin name for Wales, where Britain's...
). Their fossils are commonly found as disarticulated sclerites in the upper Mississippi Valley of North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...
. Sclerite size ranges from a few millimeters to almost 15 centimeters or so. The total animal approached 50 cm (19.7 in) long.