Checklist of helminth parasites of threatened vertebrate species from Brazil Author Muniz-Pereira, Luís C. Author Vieira, Fabiano M. Author Luque, José L. text Zootaxa 2009 2123 1 45 journal article 10.5281/zenodo.188170 79c8c7d3-7db9-43a5-a268-739984158725 1175-5326 188170 Contracaecum sp. (Larval) Balistes vetula Linneaus , mesenteries, Rio de Janeiro ( São Clemente et al. 1995 ; Alves et al. 2005 ; Luque & Poulin, 2004 ) (CHIOC 35318). Carcharhinus signatus (Poey) , stomach, spiral valve, Paraná ( Knoff et al. 2001b ) (CHIOC 33887). Dipturus trachydermus (Krefft & Stehmann) , stomach, spiral valve, Paraná ( Knoff et al. 2001b ) (CHIOC 33889). Mustelus schmitti Springer , spiral valve, Rio Grande do Sul ( Knoff et al. 2001b ) (CHIOC 34274). Pagrus pagrus (Linnaeus) , mesenteries, Rio de Janeiro, Espírito Santo ( Barros 1994 ; São Clemente et al. 1994 ; Paraguassú et al. 2002a ) (CHIOC 34437). Galeiceps longispiculum (Freitas & Lent) Pteronura brasiliensis (Gmelin) , stomach, small intestine, Mato Grosso do Sul ( Vicente et al. 1997 ; Vieira et al. 2008a ) (CHIOC 12563 ̅ paratype , 15417 ̅ holotype and allotype, 15418a–i – 15419 – paratypes , 18047, 18048).