Tropitoidea

Tropitoidea, formerly Tropitaceae, is an extinct superfamily of ammonite cephalopods in the order Ceratitida, containing the following families:
 * Didymitidae
 * Episculitidae
 * Haloritidae
 * Juvavitidae
 * Parathisbitidae
 * Thisbitidae
 * Tropiceltidae
 * Tropiceltitidae
 * Tropitidae