Insecta - Caloneurodea - Hapalopteridae
Invalid subtaxa: Aenigmatodidae Handlirsch 1906, Laspeyresiellidae von Schlechtendal 1913, Laspeyresiidae Handlirsch 1906 [replaced name], Protokollariidae Handlirsch 1906
Parent taxon: Caloneurodea according to A. P. Rasnitsyn 2004
See also Carpenter 1965, Carpenter 1992, Handlirsch 1906, Handlirsch 1906, Handlirsch 1919, Handlirsch 1922, Martynov 1938 and Pruvost 1919
Sister taxa: Apsidoneuridae, Aviogramma, Caloneuridae, Gallogramma, Gigagramma, Jarmiloptera, Lodevogrammatidae, Lusitaneura, Nanogramma, Oudardgramma, Paleuthygramma, Paraspiculum, Permobiellidae, Pleisiogramma kemerovoense, Pruvostiella, Stenaroceridae
Subtaxa: Aenigmatodes Arroyopteron Carrizarroyo Carrizopteron Endoiasmus Geroneura Hapaloptera Laspeyresiella Primakollaria Protokollaria Spiculum Sthenarocera Tshecalculus
Type: Hapaloptera
Ecology:
Distribution:
• Permian of the Russian Federation (1 collection), United States (2: New Mexico)
• Carboniferous of Canada (1: New Brunswick), France (2), Germany (3), the United Kingdom (3), United States (3: Illinois, Pennsylvania)
Total: 15 collections including 18 occurrences