Acta zoologica cracoviensia, 61(1-2) 2018 e-ISSN 2300-0163 Kraków, 2018 https://doi.org/10.3409/azc.61.2 http://www.isez.pan.krakow.pl/en/acta-zoologica.html Zoobank Account: lsid:zoobank.org:pub:3ED324A1-E6C0-4003-B99A-9BFCE089E204 A new species of Tipula LINNAEUS, 1758 (Diptera: Tipulidae) from Green River Formation, USA Iwona KANIA, André NEL, Wiktoria JORDAN-STASI£O, and Kornelia SKIBIÑSKA Submitted: 29 October 2018. Accepted: 18 December 2018. Published online: 28 December 2018. Issue online: 28 December 2018. Original article KANIA I., NEL A., JORDAN-STASI£O W., SKIBIÑSKA K. 2018. A new species of Tipula LINNAEUS, 1758 (Diptera: Tipulidae) from Green River Formation, USA. Acta zool. cracov., 61: 31-38. Abstract. We describe Tipula americana sp. nov., third known species of Tipula from the Eocene Green River Formation (USA). Morphological comparison with its closest recent and fossil relatives is provided. Key words: Tipulomorpha, Eocene, fossil Diptera, new species. Iwona KANIA, Wiktoria JORDAN-STASI£O, Department of Ecology and Environmental Biology, University of Rzeszów, Zelwerowicza 4, 35-601 Rzeszów, Poland. E-mail:
[email protected]; André NEL, CNRS UMR 7205, CP 50, Entomologie, Muséum National d’Historie Naturelle, 45, rue Buffon, F-75005 Paris, France. E-mail:
[email protected] *Kornelia SKIBIÑSKA, Institute of Systematics and Evolution of Animals Polish Academy of Sciences, 31-016 Kraków, Poland. E-mail:
[email protected] I. INTRODUCTION Occurrence of different sediments varies depend- ing on the geological level (SELF et al. 2010). Fos- The Eocene locality of the Green River Forma- sil fishes, birds, reptiles, and mammals are tion (USA) (Fig.