Diplocoelus is a genus of beetles in the family Biphyllidae, containing the following species: \n* Diplocoelus amplicollis Reitter, 1877 \n* Diplocoelus angustulus Blackburn, 1891 \n* Diplocoelus apicicollis Lea, 1921 \n* Diplocoelus atomus Grouvelle, 1916 \n* Diplocoelus bicolor Sharp, 1900 \n* Diplocoelus bombycinus Grouvelle, 1903 \n* Diplocoelus brunneus LeConte, 1863 \n* Diplocoelus consobrinus Grouvelle, 1905 \n* Diplocoelus costulatus Chevrolat, 1863 \n* Diplocoelus decemlineatus Lea, 1922 \n* Diplocoelus dilataticollis Lea, 1921 \n* Diplocoelus dubitabilis Grouvelle \n* Diplocoelus exiguus Blackburn, 1891 \n* Diplocoelus fagi Guérin-Méneville, 1838 \n* Diplocoelus fasciatus MacLeay, 1903 \n* Diplocoelus fasciolatus Grouvelle \n* Diplocoelus foveolatus Reitter \n* Diplocoelus hispid