AcilaAcila is a genus of marine bivalves in the family Nuculidae. Acila fossils have been found dating back to 113.0 Ma ago.SpeciesAs of March, 2021, the genus contains these species:Acila castrensis Hinds, 1843Acila divaricata Hinds, 1843Acila fultoni E. A. Smith, 1892Acila granulata E. A. Smith, 1906Acila insignis Gould, 1861Acila jucunda Thiele, 1931Acila minutoides Kuroda & Habe in Habe, 1958Acila mirabilis A. Adams & Reeve, 1850Acila vigilia Schenck, 1936