After Bechly, 1998-2002

<==o Palaeoptera Martynov, 1923 [contra Metapterygota Börner, 1904] (vanhasiipiset)
   |?- †Triplosoba pulchella Brongniart, 1893; U.Carb. WEu. [Protephemeroptera Handlisch 1906: †Triplosobidae] [Palaeoptera incertae sedis] [possibly basal metapterygotes (Grimaldi & Engel, 2005)]
   |--o †Palaeodictyopteroida sensu Bechly, 1996 [Protorrhynchota Rohdendorf, 1968]
   |  |?- †Spilapteridae
   |  |== †Palaeodictyoptera [paraphyletic]
   |  `--+-- †Megasecoptera
   |     `--+-- †Permothemistida  [incl. †Diathemoptera] [Dicliptera sensu Grimaldi & Engel, 2005; Archodonata Martynov sensu Kluge, 2000]
   |        `-- †Diaphanopterodea Handlirsch, 1906 [Paramegasecoptera]
   `--o Eupalaeoptera Bechly, 1998 [Hydropalaeoptera Kukalová-Peck; Subulicornia]
      |-- Ephemeroptera [Panephemeroptera Crampton, 1928] (päivänkorennot; mayflies)
      `-- Odonatoptera Martynov, 1932 [Odonata sensu lato] (dragonfly-winged palaeopterans; sudenkorennonsiipiset)

Note:

The presentation of Palaeoptera follows Bechly (1998-2002), mainly because it's the most complete source I have been able to locate so far.

Monophyletic Palaeoptera is disputed in more recent works of Trueman & Rowe (ToL) and Grimaldi & Engel (2005), who treat Palaeoptera as paraphyletic grade of basal winged insects [Pterygota].

 

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