"Roachoids", also known as "Roachids", "Blattoids" or Eoblattodea, are members of the stem group of Dictyoptera. They generally resemble cockroaches, but most members, unlike modern dictyopterans, hav

An ootheca is a type of egg capsule made by any member of a variety of animal groups such as mollusks, mantises, and cockroaches. It is also referred to by its shortened nickname, "ooth".