title: New Leptotarsus from the Early Cretaceous of Brazil and Spain: the oldest members of the family Tipulidae (Diptera).
abstract: New species of Leptotarsus (Tipulidae s.str.) are described from the Early Cretaceous beds of Brazil (Santana Fm. Aptian/Albian, ca. 112 Mya) and Spain (La Huérguina Fm., Late Barremian, ca. 126 Mya), vis. L. grimaldii sp. nov., L. cretaceus sp. nov., L. martinsnetoi sp. nov., L. buscalioniae sp. nov., L. ibericus sp. nov. and L. contractus sp. nov. Males of three species possess extremely long antennae. The fossils are the oldest representatives of the genus Leptotarsus, and the oldest known members of the family Tipulidae.
authors.affiliation: Universidade Federal do ABC, Centro de Ciências Naturais e Humanas, Av. dos Estados, 5001. Bairro Bangu, 09210-580, Santo André, SP, Brazil.; Email: guilherme.ribeiro@ufabc.edu.br.
authors.forename: Guilherme C
authors.initials: GC
authors.lastname: Ribeiro
authors.affiliation: Borissiak Paleontological Institue RAS, 123 Profsoyuznay Str., 117997 Moscow, Russia.; Email: elukashevich@hotmail.com.
authors.forename: Elena D
authors.initials: ED
authors.lastname: Lukashevich
mesh_terms: D000818:Animals; D001938:Brazil; D004175:Diptera / Q000033:anatomy & histology* / Q000145:classification*; D005260:Female; D005580:Fossils; D008297:Male; D013030:Spain