Geinitziidae
Geinitziidae is an extinct family of polyneopteran insects, known from the Permian to Cretaceous. They are currently considered to be members "Grylloblattida" a poorly defined group of extinct insects thought to be related to modern ice crawlers. Other authors place them in the extinct order Reculida. Unlike modern ice crawlers, which are wingless, they had large wings, bearing a superficial resemblance to cockroaches, and are thought to have been day-active above ground predators.
Taxonomy
After- †Fletchitzia – Molteno Formation, South Africa, Lesotho, Late Triassic
- †Geinitzia – Iva-Gora Beds Formation, Russia, Middle Permian ; Poldarsa Formation, Russia, Late Permian ; Mal'tseva Formation, Russia, Late Permian ; Sagul Formation, Kyrgyzstan, Lias Group, England; Posidonia Shale, Green Series, Germany, Early Jurassic ; Daohugou, China, Middle Jurassic
- †Permoshurabia – Lek-Vorkuta Formation, Koshelevka Formation, Russia, Early Permian ; Iva-Gora Beds Formation, Russia, Middle Permian ; Mal'tseva Formation, Russia, Late Permian ; Potrerillos Formation, Argentina, Late Triassic
- †Permovalia – Belebeevo Formation, Russia, Middle Permian
- †Permuliercula – Mal'tseva Formation, Russia, Late Permian
- †Prosepididontus – Green Series, Germany, Early Jurassic
- †Roemerula – Posidonia Shale, Germany, Early Jurassic
- †Sauk – Sauk-Tanga, Kyrgyzstan, Early Jurassic
- †Say – Sagul Formation, Kyrgyzstan, Early Jurassic
- †Shurabia – Iva-Gora Beds Formation, Russia, Roadian, Poldarsa Formation, Russia, Wuchiapingian; Khungtukun Formation, Russia, Changhsingian; Amisan Formation, South Korea, Late Triassic; Momonoki Formation, Japan, Late Triassic; Madygen Formation, Kyrgyzstan, Late Triassic; Molteno Formation, South Africa, Carnian; Mount Crosby Insect Bed, Australia, Late Triassic ; Kugitang Formation, Taijikistan, Early Jurassic; Menkoushan Formation, China, Dzhil Formation, Kyrgyzstan, Early Jurassic, Osinovo Formation, Cheremkhovskaya Formation, Russia, Sagul Formation, Sulyukta Formation Kyrgyzstan, Toarcian Daohugou, China, Callovian; Khasurty locality, Russia, Early Cretaceous
- †Sinosepididontus – Daohugou, China, Callovian; Shar-Teeg, Mongolia, Late Jurassic
- †Stegopterum – Lek-Vorkuta Formation, Russia, Kungurian; Iva-Gora Beds Formation, Mitina Formation, Russia, Roadian; Kazankovo-Markinskaya Formation, Russia, Middle Permian ; Mal'tseva Formation, Russia, Changhsingian
- †Sukhonia – Poldarsa Formation, Russia, Wuchiapingian