''Bellacartwrightia'' is a relatively uncommon genus of
phacopid 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 ...
, found in the mid-
Devonian Hamilton Group of
New York state
New York, officially the State of New York, is a state in the Northeastern United States. It is often called New York State to distinguish it from its largest city, New York City. With a total area of , New York is the 27th-largest U.S. stat ...
, mainly in strata exposed near
Lake Erie
Lake Erie ( "eerie") is the fourth largest lake by surface area of the five Great Lakes in North America and the eleventh-largest globally. It is the southernmost, shallowest, and smallest by volume of the Great Lakes and therefore also h ...
just west of
Buffalo. This trilobite is usually about 1.5" to 2" long.
A very similar trilobite from the Devonian of Morocco is still sold as ''Metacanthina'', but considerable research is still being done on Moroccan trilobites.
References
*Brett, Carleton, et al., ''Trilobites of New York''. Rochester: Rochester University Press, 2003.
Devonian trilobites of North America
Acastidae
Fossils of the United States
{{Phacopida-stub