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

Fresh coloration of Emerita almeidai sp. nov., E. portoricensis and E. brasiliensis A E. almeidai sp. nov., ovigerous ♀ (not deposited), live specimen, Porto de Galinhas, PE, Brazil B E. portoricensis, ♀ (CCDB 3525), freshly collected specimen, Boca del Drago, Panama C Emerita brasiliensis, ♀ (CCDB 7301), freshly collected specimen, Praia de Guaratuba, Bertioga (SP), Brazil. Coloring details: 1. Thin white stripes on posterolateral portions of carapace; 2. Rugae clearly surrounded by white coloration; 3. Striped pattern on pleon; 4. Wide white bars on posterolateral portions of carapace; 5. White bar along posterior 1/4th of median line of carapace; 6. Striped pattern on pleon; 7. Olive brown or brownish white color overall; 8. Rugae broken into cusps; 9. Absence of striped pattern on pleon.