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

Emerita almeidai sp. nov. A, D ovigerous ♀ paratype, cl. 17.31 mm (CCDB 5855) B, C, E ovigerous ♀ paratype, cl. 15.01 mm (CCDB 4937) A lateral view of right pereopod 1 B lateral view of left pereopod 2 C lateral view of left pereopod 3 D lateral view of left pereopod 4 E lateral view of right pereopod 5. Scale bars: 4 mm (A); 2 mm (B); 5 mm (C); 3 mm (D); 1 mm (E).