Prophalangopsidae is a rather peculiar family of Ensifera that prospered from the Middle to Late Jurassic.
During Early Cretaceous, Prophalangopsidae continued its radiation, all the subfamilies arising in this period, being distributed in China, Japan, Russia, Central Asia, Europe, England, and Brazil.
However a number of difficulties prevented an extensive revision of Prophalangopsidae from being carried out.
Order Orthoptera Olivier, 1789 Suborder Ensifera Chopard, 1920 Family Prophalangopsidae Kirby, 1906 Subfamily Aboilinae Martynov, 1925 Scalpellaboilus gen.
is similar to Turkestania Sharov, 1968 of Haglidae in forewing shape, but it can be assigned to subfamily Aboilinae of Prophalangopsidae based on the broad costal area, well-developed ScA and the absence of fusion between MA and RP.
The genus Protaboilus was erected by Gorochov 1988 and promoted to subfamily Protaboilinae by Gorochov 1995, this subfamily differs from all other Prophalangopsidae in the presence of arched cross-veins (transverse veinlets) between proximal parts of CuPa[beta] and CuPb in the male forewing (Gorochov 1995, 2003).
Comparison and systematic position.--Gorochov (2003) considered Protaboilinae as a primitive group of Prophalangopsidae, possibly ancestral for all other subfamilies.
Some species described from China in the last two decades were originally attributed to Haglidae, with subfamily assignment incorrect or lacking, but undoubtedly they can be assigned to Aboilinae or Chifengiinae of Prophalangopsidae. They include Alloma Hong, 1982a, Habrohagla Ren, Lu, Guo & Ji, 1995, Hebeihagla Hong, 1982b, which can be assigned to Chifengiinae based on their reduced ScA and basally narrower part of the area between MA and MP; also Huabeius Hong, 1982b, Mesohagla Zhang, 1996, ShangxianiaZhang, 1993, Shanxius Hong, 1984, Sinoprophalangopsis Hong, 1984 and Zhemengia, Hong 1982b, which can be assigned to Aboilinae based on their long ScA cutting branches of ScP.
As a result, Aboilinae, as the most diverse group of Prophalangopsidae, includes 11 genera found in China; Protaboilinae Gorochov 1995 consists only of one genus Protaboilus; Chifengiinae includes genera Chifengia, Ashanga, Parahagla, Aenigmoilus and Alloma.
However a number of difficulties make extensive revisions of Prophalangopsidae a challenge.
New taxa of Aboilinae (Insecta, Orthoptera, Prophalangopsidae) from the Middle Jurassic of Daohugou, Inner Mongolia, China.