Scarabaeoidea

Scarabaeoidea is a superfamily of beetles, the only subgroup of the infraorder Scarabaeiformia. Around 35,000 species are placed in this superfamily and some 200 new species are described each year. Its constituent families are also undergoing revision presently, and the family list below is only preliminary. This superfamily includes some of the largest beetles extant today, including rhinoceros beetles, (Dynastinae), the Hercules beetle (Dynastes hercules) and Goliath beetles (Goliathus sp.).

The oldest confirmed member of the group is the extinct genus Alloioscarabaeus from the Middle Jurassic period Jiulongshan Formation of Inner Mongolia, China.

Families
The following families are listed in Bouchard (2011):


 * Belohinidae Paulian, 1959
 * Diphyllostomatidae Holloway, 1972 (false stag beetles)
 * Geotrupidae Latreille, 1802 (earth-boring dung beetles)
 * Glaphyridae MacLeay, 1819 (bumble bee scarab beetles)
 * Glaresidae Kolbe, 1905 (enigmatic scarab beetles)
 * Hybosoridae Erichson, 1847 (scavenging scarab beetles)
 * inclusive of Ceratocanthidae White, 1842 (pill scarab beetles)
 * Lucanidae Latreille 1804 (stag beetles)
 * Ochodaeidae Mulsant and Rey 1871 (sand-loving scarab beetles)
 * Passalidae Leach, 1815 (bess beetles)
 * Pleocomidae LeConte 1861 (rain beetles)
 * Scarabaeidae Latreille 1802 (scarab beetles)
 * Trogidae MacLeay 1819 (hide beetles)
 * † Coprinisphaeridae Genise, 2004 (ichnotaxon)
 * † Pallichnidae Genise, 2004 (ichnotaxon)
 * † Passalopalpidae Boucher, et al., 2016