Nannotanyderus Ansorge 1994

Genus Nannotanyderus Ansorge, 1994 Nannotanyderus comprises five species in addition to the one described herein: N. krzeminskii Ansorge, 1994 from the Toarcian of Grimmen and Dobbertin, Germany; N. grimmenensis Ansorge & Krzemiński, 2002 from the Toarcian of Grimmen;? N. incertus Lukashevich, 2011 from the Upper Jurassic of Shar-Teg, Mongolia (this is based on an incomplete wing assigned to the genus with some reservation by the original author); N. kubekovensis Skibińska & Krzemiński, 2013 from the Upper Jurassic of Karatau, Kazakhstan (in Skibińska & Krzemiński, 2013 the specimen locality was incorrectly stated as Kubekovo); and N. ansorgei Krzemiński et al., 2013 from Lower Cretaceous Lebanese amber. Members of this genus are distinguished by their tiny size, with a wing length of 2���4 mm. Moreover vein Sc does not extend beyond the mid���point of the wing and vein R 2 is several times shorter than R 2 + 3. Type species. Nannotanyderus krzeminskii Ansorge, 1994; Lower Jurassic (Toarcian), Germany (Fig. 1).
Published as part of Skibi��ska, Kornelia, Krzemi��ski, Wies��aw & Coram, Robert A., 2014, Discovery of the most ancient member of family Tanyderidae (Diptera) from the Lower Jurassic (Sinemurian) of England, pp. 125-130 in Zootaxa 3857 (1) on page 126, DOI: 10.11646/zootaxa.3857.1.6, http://zenodo.org/record/227424
{"references":["Ansorge, J. (1994) Tanyderidae and Psychodidae (Insecta: Diptera) from the Lower Jurassic of northeastern Germany. Palaontologisches Zeitschrift, 68 (1 / 2), 199 - 209. http: // dx. doi. org / 10.1007 / bf 02989440","Ansorge, J. & Krzeminski, W. (2002) Lower Jurassic tanyderids (Diptera: Tanyderidae) from Germany. Studia dipterologica, 9, 21 - 29.","Lukashevich, E. D. (2011) New Nematocerans (Insecta: Diptera) from the Late Jurassic of Mongolia. Paleontological Journal, 45 (6), 620 - 628. http: // dx. doi. org / 10.1134 / s 0031030111060098"]}