Diplocoelus is a genus of beetles in the family Biphyllidae, containing the following species:
Diplocoelus amplicollis Reitter, 1877Diplocoelus angustulus Blackburn, 1891Diplocoelus apicicollis Lea, 1921Diplocoelus atomus Grouvelle, 1916Diplocoelus bicolor Sharp, 1900Diplocoelus bombycinus Grouvelle, 1903Diplocoelus brunneus LeConte, 1863Diplocoelus consobrinus Grouvelle, 1905Diplocoelus costulatus Chevrolat, 1863Diplocoelus decemlineatus Lea, 1922Diplocoelus dilataticollis Lea, 1921Diplocoelus dubitabilis GrouvelleDiplocoelus exiguus Blackburn, 1891Diplocoelus fagi Guérin-Méneville, 1838Diplocoelus fasciatus MacLeay, 1903Diplocoelus fasciolatus GrouvelleDiplocoelus foveolatus ReitterDiplocoelus hispidus GrouvelleDiplocoelus humerosus Reitter, 1876Diplocoelus indicus Motschulsky, 1866Diplocoelus latus Lea, 1895Diplocoelus leai Blackburn, 1894Diplocoelus marginatus GrouvelleDiplocoelus mauritii Grouvelle, 1908Diplocoelus maximus LeaDiplocoelus opacior Blackburn, 1903Diplocoelus ovatus MacLeay, 1903Diplocoelus parnoides Grouvelle, 1903Diplocoelus parvus Sharp, 1900Diplocoelus pilinotatus Lea, 1922Diplocoelus platysomus Lea, 1922Diplocoelus punctatus Lea, 1895Diplocoelus rudis (LeConte, 1863)Diplocoelus sericens Lea, 1921Diplocoelus similis Grouvelle, 1898Diplocoelus simoni GrouvelleDiplocoelus talyshensis Nikitsky, 1993Diplocoelus tessellatus ReitterDiplocoelus turbinatus Grouvelle, 1905Diplocoelus villosus Grouvelle, 1905Diplocoelus xanthorrhoeae Lea, 1921