taxonID	type	description	language	source
03B7F028FFEC7344005EF8CEFB90EF77.taxon	type_taxon	Type species. Crenoptychoptera antica Kalugina, 1985 Included species. The type species and C. bavarica Krzemiński & Ansorge, 1995; C. conspecta Lukashevich, 1995; C. defossa Kalugina, 1985; C. dobbertinensis Ansorge, 1998; C. gaoi sp. nov., C. gronskayae Kalugina, 1989; C. liturata Lukashevich, 2011.	en	LIU, YU-MING, HUANG, DI-YING (2021): A new species of Crenoptychoptera Kalugina, 1985 (Diptera: Ptychopteridae) from the Middle-Late Jurassic of Jiyuan Basin, China. Palaeoentomology 4 (1): 27-29, DOI: 10.11646/palaeoentomology.4.1.5, URL: http://dx.doi.org/10.11646/palaeoentomology.4.1.5
03B7F028FFED734503FCFF4AFB01E67F.taxon	description	(Fig. 1)	en	LIU, YU-MING, HUANG, DI-YING (2021): A new species of Crenoptychoptera Kalugina, 1985 (Diptera: Ptychopteridae) from the Middle-Late Jurassic of Jiyuan Basin, China. Palaeoentomology 4 (1): 27-29, DOI: 10.11646/palaeoentomology.4.1.5, URL: http://dx.doi.org/10.11646/palaeoentomology.4.1.5
03B7F028FFED734503FCFF4AFB01E67F.taxon	materials_examined	Material. Holotype (NIGP 174354), a nearly complete right wing.	en	LIU, YU-MING, HUANG, DI-YING (2021): A new species of Crenoptychoptera Kalugina, 1985 (Diptera: Ptychopteridae) from the Middle-Late Jurassic of Jiyuan Basin, China. Palaeoentomology 4 (1): 27-29, DOI: 10.11646/palaeoentomology.4.1.5, URL: http://dx.doi.org/10.11646/palaeoentomology.4.1.5
03B7F028FFED734503FCFF4AFB01E67F.taxon	etymology	Etymology. The specific epithet is dedicated to Jian Gao, who collected the holotype of the species. 3 + 4 3 + 4	en	LIU, YU-MING, HUANG, DI-YING (2021): A new species of Crenoptychoptera Kalugina, 1985 (Diptera: Ptychopteridae) from the Middle-Late Jurassic of Jiyuan Basin, China. Palaeoentomology 4 (1): 27-29, DOI: 10.11646/palaeoentomology.4.1.5, URL: http://dx.doi.org/10.11646/palaeoentomology.4.1.5
03B7F028FFED734503FCFF4AFB01E67F.taxon	diagnosis	Diagnosis. Wing with typical Crenoptychoptera venation. Sc ending proximal to the furcation of R 4 + 5; darken area occupying half-length of R 1, reaching level of r-m; R 1 + 2 considerably short, ca. twice length of R 2; R 2 slightly anteriorly curved at its apex; apical part of R 3, R 4 and R 5 posteriorly curved; crossvein m-m nearly perpendicular to M; m-cu and bM of equal lengths.	en	LIU, YU-MING, HUANG, DI-YING (2021): A new species of Crenoptychoptera Kalugina, 1985 (Diptera: Ptychopteridae) from the Middle-Late Jurassic of Jiyuan Basin, China. Palaeoentomology 4 (1): 27-29, DOI: 10.11646/palaeoentomology.4.1.5, URL: http://dx.doi.org/10.11646/palaeoentomology.4.1.5
03B7F028FFED734503FCFF4AFB01E67F.taxon	distribution	Type locality and horizon. Yangshuzhuang Formation near Anyao Village, Chengliu Township, Jiyuan City, Henan Province, China; earliest Late Jurassic.	en	LIU, YU-MING, HUANG, DI-YING (2021): A new species of Crenoptychoptera Kalugina, 1985 (Diptera: Ptychopteridae) from the Middle-Late Jurassic of Jiyuan Basin, China. Palaeoentomology 4 (1): 27-29, DOI: 10.11646/palaeoentomology.4.1.5, URL: http://dx.doi.org/10.11646/palaeoentomology.4.1.5
03B7F028FFED734503FCFF4AFB01E67F.taxon	description	Description. Wing 14.2 mm long, 2.9 mm wide (as preserved). Pterostigma along distal part of R 1 and R 2. Base of Rs at 20 % of wing length, length of Rs approximately 1.4 × length of R 4 + 5 stem; R 3 about 0.7 × length of R 2 + 3; R 4 + 5 ramified symmetrically, R 4 parallel with R 5 in whole length, R 4 and R 5 about twice as long as R 4 + 5. Crossvein r-m connected with Rs, slightly distal to bifurcation of R 3 and R 4 + 5 and located at same level with m – cu. Discal cell long and narrow, about five times as long as wide. M 1 + 2 in straight prolongation of M stem, M 1 and M 2 thinner and paler than other veins; crossvein m-m slightly curved, joining M 2 close to its base. Anal area partly preserved.	en	LIU, YU-MING, HUANG, DI-YING (2021): A new species of Crenoptychoptera Kalugina, 1985 (Diptera: Ptychopteridae) from the Middle-Late Jurassic of Jiyuan Basin, China. Palaeoentomology 4 (1): 27-29, DOI: 10.11646/palaeoentomology.4.1.5, URL: http://dx.doi.org/10.11646/palaeoentomology.4.1.5
