Family † Permochoristidae Tillyard, 1918

† Permochoristidae Tillyard, 1918: 732 [type genus: † Permochorista Tillyard, 1918: 732].

† Tychtodelopteridae Ponomarenko, 1977: 83 [type genus: † Tychtodelopterum Martynova, 1958: 2]. — Novokshonov 2002: 198. — Grimaldi & Engel 2005: 341.

Taxonomic notes

Martynova (1958) described the genus † Tychtodelopterum based on a single species from the Russian Permian, placing it in the family † Archaemiopteridae Guthorl, 1939 († Miomoptera). Ponomarenko (1977) created for this genus the new family † Tychtodelopteridae, placing it in Megaloptera . Here, we follow Novokshonov (2002) in treating † Tychtodelopteridae as a synonym of † Permochoristidae in the order Mecoptera .