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
Figure 5; A–F. Specimens of Gordius sp., ventral view of posterior ends and cuticle in midbody sections. G, H. Gordius aquaticus (V12685), cuticle (G) and posterior end (H). I. Cuticular surface of G. longissimus (V2229). J, K. Cuticle (J) and posterior end (K) of G. paranensis (V5035). Note row of bristles on the posterior end (arrows in K). L. Posterior end of G. paranensis (V11709), arrows as in K. M–O. Cuticle (M, N) and posterior end (O) of G. plicatissimus. The specimen number is indicated in the lower left of each image.
Summary[edit] 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.