Orthopterida

Orthoptera () is an order of insects that comprises the grasshoppers, locusts, and crickets, including closely related insects, such as the bush crickets or katydids and wētā. The order is subdivided into two suborders: Caelifera – grasshoppers, locusts, and close relatives; and Ensifera – crickets and close relatives.

thumb|upright|Phasmid in marginal forest on a pitcher plant in the [[Philippines]] The Phasmatodea (also known as Phasmida or Phasmatoptera) are an order of insects whose members are variously known as stick insects, stick bugs, walkingsticks, stick animals, or bug sticks. They are also occasionally referred to as '''Devil's darning needles, although this name is shared by both dragonflies and crane flies. They can be generally referred to as phasmatodeans, phasmids, or ghost insects, with phasmids in the family Phylliidae called leaf insects, leaf-bugs, walking leaves, or bug leaves'. The ord

Titanoptera (from Ancient Greek Τιτάν (Titán), meaning "Titan", and πτερόν (pterón), meaning "wing") is an extinct order of neopteran insects from late Carboniferous to Triassic periods. Titanopterans were very large in comparison with modern insects, some having wingspans of up to or even .

Caloneurodea is an extinct order of polyneopteran neopteran insects in the superorder Orthopterida. Caloneurodea is known from fossils found in North America, Europe, Russia, and Asia and had a paleogeographic range confined to Laurussia.

Gigatitan (from Ancient Greek γίγας (gígas), meaning "giant", and Τιτάν (Titán), meaning "Titan") is an extinct genus of titanopteran insect that lived in Kyrgyzstan during the Triassic period. The type species is G. vulgaris, described by Aleksandr Grigorevich Sharov in 1968. Fossils of Gigatitan have been found in the Madygen Formation. It is the type genus of the family Gigatitanidae, in which the closely related Nanotitan and Ootitan are also included.