taxonID	type	description	language	source
E46DBE62894F5ED990E82C4060CD0A36.taxon	diagnosis	Diagnosis. ScA reaches anterior wing margin at level of divergence of M + CuA, RP branched distally, lengths of free CuA and free M equal, CuA + CuPaα with numerous branches.	en	Gu, Jun-Jie, Yang, Xin, Huang, Rong, Yang, Guijun, Yue, Yanli, Ren, Dong (2021): New species and material of Hagloidea (Insecta, Ensifera) from the Yanliao biota of China. ZooKeys 1033: 183-190, DOI: http://dx.doi.org/10.3897/zookeys.1033.63571, URL: http://dx.doi.org/10.3897/zookeys.1033.63571
E46DBE62894F5ED990E82C4060CD0A36.taxon	materials_examined	Material examined. Holotype, CNU-ORT-NN 2009018 PC. Paratype, CNU-ORT-NN 2009011.	en	Gu, Jun-Jie, Yang, Xin, Huang, Rong, Yang, Guijun, Yue, Yanli, Ren, Dong (2021): New species and material of Hagloidea (Insecta, Ensifera) from the Yanliao biota of China. ZooKeys 1033: 183-190, DOI: http://dx.doi.org/10.3897/zookeys.1033.63571, URL: http://dx.doi.org/10.3897/zookeys.1033.63571
E46DBE62894F5ED990E82C4060CD0A36.taxon	description	Description. Forewing oval, estimated length ca 33 mm. ScA crossing area between ScP and anterior wing margin, reaching margin at level of divergence of M + CuA; basal part of ScP slightly anteriorly curved, ScP reaching anterior margin at 3 / 4 to wing base with numerous oblique branches uniformly distributed; branches of ScP with secondary vein between them, formed by two rows of cells; most cross-veins between ScP and R straight; stem R slightly undulate; RA basally branched, pectinate with 4 - 7 terminal branches; base of RP curved towards to posterior margin, RP very distally branched with less branches than RA; area between RA and RP with series of regular arranged cross-veins; area between R and M expanding when R dichotomous, with series of long cross-veins, cross-veins of expanded area curved; presence of a transverse veinlet connecting MA and base of RP (asterisk on Fig. 1 B, D, F); M separated from M + CuA distant to origin of RP; MA probably undulate; MP strongly curved basally (not preserved in holotype); lengths of free CuA and free M equal; CuA + CuPaα with numerous branches; CuPaβ oblique; " handle " straight; CuPb strongly oblique, basal part and middle part (where bearing teeth) forms obtuse angle.	en	Gu, Jun-Jie, Yang, Xin, Huang, Rong, Yang, Guijun, Yue, Yanli, Ren, Dong (2021): New species and material of Hagloidea (Insecta, Ensifera) from the Yanliao biota of China. ZooKeys 1033: 183-190, DOI: http://dx.doi.org/10.3897/zookeys.1033.63571, URL: http://dx.doi.org/10.3897/zookeys.1033.63571
E46DBE62894F5ED990E82C4060CD0A36.taxon	etymology	Etymology. From the Latin " polyneurus ", referring to its numerous branches of CuA + CuPaα.	en	Gu, Jun-Jie, Yang, Xin, Huang, Rong, Yang, Guijun, Yue, Yanli, Ren, Dong (2021): New species and material of Hagloidea (Insecta, Ensifera) from the Yanliao biota of China. ZooKeys 1033: 183-190, DOI: http://dx.doi.org/10.3897/zookeys.1033.63571, URL: http://dx.doi.org/10.3897/zookeys.1033.63571
E46DBE62894F5ED990E82C4060CD0A36.taxon	discussion	Discussion. Although the preservation and deformation of the specimens makes it difficult to identify the complete structure of ScA, this new species can be assigned to Archaboilus Martynov, 1937 by a combination of its ScA crossing the area between ScP and the anterior wing margin, the base of MP strongly curved, and the presence of a transverse veinlet connecting MA and the base of RP. Besides these diagnostic characters of the genus, A. polyneurus sp. nov. shares with A. musicus from the same locality a slightly sigmoidal ScP, but it differs from it by its much more distally branched RP and distinctly smaller forewing. Although the holotype and single known specimen of A. kisylkiensis Martynov, 1937 is only the basal half of a forewing, its free CuA is much longer than its free M, not as in the new species. A. polyneurus sp. nov. differs from all other Archaboilus species by its shorter ScA, very distally branches of RP, and numerous branches of CuA + CuPaα. Although the terminals numbers of RA and CuA + CuPaα are different between the holotype and paratype, this kind of difference has been shown to be intra-specific variation in orthopterans and their relatives (Bethoux 2008; Gu et al. 2010, 2011).	en	Gu, Jun-Jie, Yang, Xin, Huang, Rong, Yang, Guijun, Yue, Yanli, Ren, Dong (2021): New species and material of Hagloidea (Insecta, Ensifera) from the Yanliao biota of China. ZooKeys 1033: 183-190, DOI: http://dx.doi.org/10.3897/zookeys.1033.63571, URL: http://dx.doi.org/10.3897/zookeys.1033.63571
CB5D5ACA1D1C52368CC1EF45FD1A5598.taxon	materials_examined	Material examined. CNU-ORT-NN 2020001.	en	Gu, Jun-Jie, Yang, Xin, Huang, Rong, Yang, Guijun, Yue, Yanli, Ren, Dong (2021): New species and material of Hagloidea (Insecta, Ensifera) from the Yanliao biota of China. ZooKeys 1033: 183-190, DOI: http://dx.doi.org/10.3897/zookeys.1033.63571, URL: http://dx.doi.org/10.3897/zookeys.1033.63571
CB5D5ACA1D1C52368CC1EF45FD1A5598.taxon	materials_examined	Description of new material. Isolated left forewing with negative and positive imprint; preserved length 41 mm, estimated complete length ca 49 mm, distal part of subcostal area, R, M, part of posterior margin all missing. Preserved forewing venation almost the same as previously described fossils of the species. Forewing elongated, not typically oval; the anterior wing margin is slightly flattened in its basal part, then arched upwards; there is no curved ScA crossing area between ScP and anterior wing margin; area between ScP and anterior margin basally narrowed, gradually widened to the middle; area between CuPb and CuPaβ broad, very basal cross-veins strongly curved and connected, formed into several irregular cells.	en	Gu, Jun-Jie, Yang, Xin, Huang, Rong, Yang, Guijun, Yue, Yanli, Ren, Dong (2021): New species and material of Hagloidea (Insecta, Ensifera) from the Yanliao biota of China. ZooKeys 1033: 183-190, DOI: http://dx.doi.org/10.3897/zookeys.1033.63571, URL: http://dx.doi.org/10.3897/zookeys.1033.63571
CB5D5ACA1D1C52368CC1EF45FD1A5598.taxon	discussion	Discussion. Although the distal part of the forewing is absent, we assign the new fossil to L. caii Gu & Ren, 2012 by the following: R is simple for a long distance and is strongly arched toward the anterior margin distal to the redirection of ScP; MA is undulate; and the area between R and MA is distinctly broad. Liassophyllum caii Gu & Ren, 2012 was erected based on 11 specimens. The holotype is an isolate forewing with the basal area between ScP and the anterior margin missing, the paratypes are well preserved but with wings strongly overlapped and their subcostal area is not clear. The basal part of the subcostal area of the type species L. abbreviatum Zeuner, 1935 is also unknown. The new material described here has a clear subcostal area, improving the knowledge of this important area. It lacks an arched ScA crossing the subcostal area positioned very close to the anterior wing margin. The basal-most area between ScP and anterior wing margin has fan-like veinlets. Zeuner (1939) and Gu et al. (2012 a) attributed Liassophyllum to Cyrtophyllitinae, but Gorochov (1995) and Gorochov et al. (2006) excluded the genus from the subfamily, not mentioning its higher-rank assignment. The new material reported here supports exclusion of Liassophyllum from the Cyrtophyllitinae by its absence of an arched ScA crossing the area between ScP and the anterior margin. Further, the undulate MA, the long and more or less undulate stem of R, the very distal dichotomous R, and the broad and long area between CuPb and CuPaβ of Liassophyllum species strongly indicate that this genus belongs to the Tuphellidae.	en	Gu, Jun-Jie, Yang, Xin, Huang, Rong, Yang, Guijun, Yue, Yanli, Ren, Dong (2021): New species and material of Hagloidea (Insecta, Ensifera) from the Yanliao biota of China. ZooKeys 1033: 183-190, DOI: http://dx.doi.org/10.3897/zookeys.1033.63571, URL: http://dx.doi.org/10.3897/zookeys.1033.63571
