†Eurycarpus Schluter 1868 (crab)
Parent taxon: Grapsoidea according to C. E. Schweitzer et al. 2010
Sister taxa: Aulacopodia, Brome, Cardirhynchus, Daragrapsus, Daranyia, Gecarcinidae, Glyptodynomene, Glyptograpsidae, Grapsidae, Liocaris, Lupeites, Paradosilissopsa, Plagusiidae, Psammograpsus, Pseudodaranyia, Pseudomicippella, Roemerus, Sesarmidae, Tiche, Vanua, Varunidae, Wulaicarcinus, Xenograpsidae
Subtaxa: Eurycarpus nanodactylus
Ecology: epifaunal carnivore