Epilobocera sinuatifrons (Spanish common name: Buruquena) is a freshwater crab of the Pseudothelphusidae family in the Decapoda order. The species is common in the Toro Negro State Forest in central Puerto Rico. It is one of the most abundant predatory freshwater decapods. The species is widely distributed in streams of Puerto Rico and the U.S. Virgin Islands. It is endemic to the mainland of Puerto Rico.