Cockroach
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Cockroaches are insects belonging to the order Blattodea. About 30 cockroach species out of 4,600 are associated with human habitats. Some species are well-known pests.
A Turkestan cockroach (Periplaneta lateralis) next to an approximately 108-million-year-old fossil cockroach from the Cretaceous Period
A 40- to 50-million-year-old cockroach in Baltic amber (Eocene)
Domino cockroach Therea petiveriana, normally found in India
Head of Periplaneta americana
Roachoid
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"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
