Fig. 1

Decapod crustacean remains from the Middle Eocene Litchfield Formation, Yellow Limestone Group at Seven Rivers, parish of St. James, western Jamaica (after Portell et al.  in press, pl. 2.). Specimens in the collection of the Florida Museum of Natural History, Gainesville (prefix UF). a–d Callianassid sp. indet., UF 261043. e–h Diogenid gen. et sp. nov., UF 167083