The genera vermium exemplified by various specimens of the animals contained in the orders of the Intestina et Mollusca Linnaei :.
London :Printed for the author by James Dixwell ..., and sold by John Sewell ..., B. White and Son ..., and P. Elmsley ...,1783-1788..
biodiversitylibrary.org/page/29389624
Description: Deutsch: Ein Wasserkalb (Gordius aquaticus) mit Schreichholzkopf zum Größenvergleich, in Schleswig-Holstein. Date: 7 June 2007, 09:32:33. Source: Own work. Author: 5snake5.
Description: English: Stenopelmatus sp. Jerusalem cricket with Gordius sp. horsehair worm. Date: 25 January 2007, 10:10:33. Source: a crop of File:Stenopelmatus with gordius.jpg. Author: jkirkhart35.
Description: An adult individual 7.25 inches long after emerging out of a cricket. Date: 22 May 2014 (according to Exif data). Source: Own work. Author: User:bobjgalindo.