Evidence using morphology, molecules, and biogeography clarifies the taxonomic status of mole crabs of the genus Emerita Scopoli, 1777 (Anomura, Hippidae) and reveals a new species from the western Atlantic

Comparative morphological characters observed in adult ♀s of similar sizes between Emerita brasiliensis (CCDB 2552) and E. almeidai sp. nov. (CCDB 3026). Carapace shape: Dorsal view of A E. brasiliensis and B E. almeidai sp. nov.; Dactylus of first pereopod: Lateral view of C E. brasiliensis and D E. almeidai sp. nov.; Anterior region with rostrum, lateral spines, and ocular peduncle: Dorsal view of E E. brasiliensis and F E. almeidai sp. nov.; Posterior region/telson: Ventral view of G E. brasiliensis and H E. almeidai sp. nov.; Left ventral view of antenna I E. brasiliensis and J E. almeidai sp. nov.