Bostrichoidea is a superfamily of beetles. It is the type superfamily of the infraorder Bostrichiformia. It includes the following subgroups: * Anobiidae Fleming 1821 – deathwatch beetles * Ptinidae or Ptininae Latreille 1802 – spider beetles * Bostrichidae Latreille 1802 – horned powderpost beetles, branch and twig borers * Lyctinae or Lyctidae Billberg 1820 – powderpost beetles * Endecatominae or Endecatomidae LeConte 1861 * Dermestidae Latreille 1804 – skin beetles * Jacobsoniidae Heller 1926 * Nosodendridae Erichson 1846 – wounded-tree beetles