(Berriasian) United Kingdom Ptychoptera †Ptychoptera deleta - Cypris Formation (Miocene), Czech Republic †Ptychoptera eocenica - Baltic amber (Priabonian), Russia †Ptychoptera mesozoica - Zaza Formation Early Cretaceous (Aptian), Russia †Ptychoptera miocenica - Florissant Formation (Priabonian), Colorado †Sinoptychopterites †Sinoptychopterites paludus - Fushin amber (Ypresian), China Subfamily incertae sedis †Bolboia †Bolboia mira - Byankino Formation Late Jurassic (Tithonian), Russia †Crenoptychoptera †Crenoptychoptera antica - Itat Formation Middle Jurassic (Bathonian) Russia †Crenoptychoptera bavarica - Solnhofen Formation Late Jurassic (Tithonian), Germany †Crenoptychoptera conspecta - Cheremkhovskaya Formation, Early Jurassic (Toarcian), Russia †Crenoptychoptera decorosa - Daohugou Formation Middle Jurassic (Callovian), China †Crenoptychoptera defossa - Itat Formation Middle Jurassic (Bathonian) Russia †Crenoptychoptera dobbertinensis - Ciechocinek Formation Early Jurassic (Toarcian), Germany †Crenoptychoptera gronskayae - Khaya Formation Late Jurassic (Tithonian), Russia †Crenoptychoptera liturata - Ulan Malgait Formation Late Jurassic (Tithonian), Mongolia †Etoptychoptera †Etoptychoptera tertiaria - Allenby Formation (Ypresian), Canada References Further reading Borror, D.J., C.A. Triplehorn, & N.A. Johnson. 1989. An Introduction to the Study of Insects, Sixth edition. Saunders College Publishing. Byers, G.W. & D.A. Rossman. 2004. Preliminary survey of the crane flies of Louisiana (Diptera: Tipulidae, Ptychopteridae). Proceedings of the Entomological Society of Washington, 106: 884–890. Stubbs, A.E. 1993. Provisional Atlas of the Ptychopteroid Craneflies (Diptera: Ptychopteridae) of Britain and Ireland. Centre for Ecology and Hydrology. Zwick, P. 2004. Fauna Europaea: Ptychopteridae. In: Fauna Europaea: Diptera: Nematocera. H. DeJong, ed. External links Catalog of Life Bug Guide Ptychopteridae at Insects of Quebec webpage Photograph of larva at Troutnut.com website Diptera.info Gallery Video Nematocera families