Synonymy according to Neuhaus (2013): probably not E. dujardinii of Tokioka (1949) and of Sudzuki (1976); for ... [details]
Higgins (1964): listed as type species; Neuhaus (2013): designated as type species [details]
Higgins 1964b: p. 481, erroneously lists P. zelinkaei as type species [details]