Type material of 16 species of Phasmida have been located in the Zoologisch Museum, Universiteit van Amsterdam. The species are listed alphabetically, with the status/number of specimens, details of sex, locality and collector (if recorded), along with the valid name (if different), details of 'missing' specimens and details of further type material deposited in other museums. The most important material relates to species described by Brunner von Wanenwyl and Redtenbacher (mainly published in their monograph, between 1906-08) and one species described by Brock & Shlagman (1994). Pseudodiacantha obscura Redtenbacher, 1908 is listed as a new synonym of Orxines macklottii (de Haan, 1842); accordingly, the genus Pseudodiacantha Redtenbacher, 1908 (Type species: P. obscura, by monotypy) becomes a new synonym of Orxines Stal, 1875. General notes are given on the extent of the phasmid collection.