title: An updated list of type material of Ephemeroptera Hyatt & Arms, 1890, deposited at the Zoological Museum of Hamburg (ZMH).
abstract: The type specimens of Ephemeroptera (Insecta) housed at the Zoological Museum of Hamburg (ZMH) are compiled in this document. The current nomenclature of all species is given. In total, Ephemeroptera type material of ZMH encompasses 161 species. Fifty-one holotypes and five lectotypes are present. Forty-one species are represented by syntypes, 85 by paratypes and five by paralectotypes. Material of two species (Cinygma asiaticum Ulmer, 1924 and Pseudocloeon klapaleki Müller-Liebenau, 1982) is missing. The present catalogue is an updated version of Weidner (1964a).
authors.affiliation: Museum of zoology, Palais de Rumine, Place Riponne 6, CH-1005 Lausanne, Switzerland; Zoologisches Museum, Centrum für Naturkunde (CeNak), Martin-Luther-King-Platz 3, 20146 Hamburg, Germany.
authors.forename: Michel
authors.initials: M
authors.lastname: Sartori
authors.affiliation: Zoologisches Museum, Centrum für Naturkunde (CeNak), Martin-Luther-King-Platz 3, 20146 Hamburg, Germany.
authors.forename: Martin
authors.initials: M
authors.lastname: Kubiak
authors.affiliation: Zoologisches Museum, Centrum für Naturkunde (CeNak), Martin-Luther-King-Platz 3, 20146 Hamburg, Germany; Staatliches Museum für Naturkunde Stuttgart, Rosenstein 1, 70191 Stuttgart, Germany.
authors.forename: Hossein
authors.initials: H
authors.lastname: Rajaei
keywords: Ephemeroptera; Hamburg; Ulmer; ZMH; type specimens