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本文论述了辽宁西部上侏罗统虻类６个科的化石，包括１新科，１０个新属和１５个新种。其中Ｐａｌａｅｐａｎｇｏｎｉｕｓｅｕｐｔｅｒｕｓｇｅｎ．ｅｔｓｐ．ｎｏｖ．，Ｅｏｐａｎｇｏｎｉｕｓｐｌｅｔｕｓｇｅｎ．ｅｔｓｐ．ｎｏｖ．和Ａｌｏｍｙｉａｒｕｄｅｒａｌｉｓｇｅｎ．ｅｔｓｐ．ｎｏｖ．均属于虻科（Ｔａｂａｎｉｄａｅ）；Ｏｒｓｏｂｒａｃｈｙｃｅｒｏｎｃｈｉｎｅｎｓｉｓｇｅｎ．ｅｔｓｐ．ｎｏｖ．，Ｏｉｏｂｒａｃｈｙｃｅｒｏｎｌｉｍｎｏｇｅｎｕｓｇｅｎ．ｅｔｓｐ．ｎｏｖ．和Ｐａｕｒｏｍｙｉａｏｒｅｓｂｉａｇｅｎ．ｅｔｓｐ．ｎｏｖ．均属于鹬虻科（Ｒｈａｇｉｏｎｉｄａｅ）；Ｐｒｏｔｏｎｅｍｅｓｔｒｉｕｓｊｕｒａｓｉｃｕｓｓｐ．ｎｏｖ．，Ｐ．ｂｅｉｐｉａｏｅｎｓｉｓｓｐ．ｎｏｖ．和Ｆｌｏｒｉｎｅｍｅｓｔｒｉｕｓｐｕｌｃｈｅｒｒｉｍｕｓｇｅｎ．ｅｔｓｐ．ｎｏｖ．归属于网翅虻科（Ｎｅｍｅｓｔｒｉｎｉｄａｅ）；Ｐｒｏｔａｐｉｏｃｅｒａｍｅｇｉｓｔａｇｅｎ．ｅｔｓｐ．ｎｏｖ．和Ｐｒｏｔａｐｉｏｃｅｒａｉｓｃｈｙｒａｇｅｎ．ｅｔｓｐ．ｎｏｖ．归属于原棘虻科（新科）（Ｐｒｏｔａｐｉｏｃｅｒｉｄａｅ）；Ｌｅｐｔｅｒｅｍｏｃｈａｅｔｕｓｌｉｔ?
This paper deals with the fossils of six families of the Upper Jurassic 辽 in western Liaoning, including one new family, ten new genera and fifteen new species. Among them Palaepangoniuseupterusgen. etsp. nov , Eopangoniuspletusgen. etsp. nov And Alomyiaruderalisgen. etsp. nov All belong to Tabanidae; Orsobrachyceronchinensisgen. etsp. nov , Oiobrachyceronlimno-genusgen. etsp. nov And Pauromyiaoresbiagen. etsp. nov All belong to the group of the Rhagionidae; Protonemestriusjurasicussp. nov , P. beipiaoensissp. nov And Florinemestriuspulcherrimusgen. etsp. nov Attributed to the Nemestrinidae (Nemestrinidae); Protapioceramegistagen. etsp. nov And Protapioceraischyragen. etsp. nov Belongs to the original spine Branch (New Branch) (Protapioceridae); Lepteremochaetuslit?