Permothemistida Temporal range: Permian (Kungarian) — (Roadian), 279.3–268 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Superorder:	†Palaeodictyopteroidea
Order:	†Permothemistida Martynov, 1938
Families
†Diathemidae Sinichenkova, 1980 †Permothemistidae Martynov, 1935
Synonyms[1]
Archodonata Martynov, 1932 Dicliptera Grimaldi & Engel, 2005

Permothemistida is an extinct order of palaeozoic paleopterous insects.^[1]