Classification of the genus Priscoficus
G. †Priscoficus Conrad 1866
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†Priscoficus cooperiana Stewart 1927
†Priscoficus cowlitzensis Weaver 1912
†Priscoficus hornii Gabb 1864
†Priscoficus intermedia Melleville 1843
†Priscoficus johnstoni Rutsch 1943
†Priscoficus robustus Weaver 1905
†Priscoficus smithi Sowerby 1827
†Priscoficus vermeiji Perrilliat 2013
Invalid names: Ficopsis meganosensis packardi Merriam and Turner 1937 [synonym], Proficus Finlay and Marwick 1937 [synonym]