Deep-sea ophidiiform fishes collected on the Brazilian continental slope, between 11 ° and 23 ° S Author Mincarone, Michael M. Museu Oceanográfico Univali, Universidade do Vale do Itajaí, CP 360, 88302 - 202, Itajaí, SC, Brazil. E-mail: mincarone @ univali. br Natural History Museum of Denmark, Zoological Museum, University of Copenhagen, Universitetsparken 15, DK- 2100 Copenhagen Ø, Denmark. E-mail: jgnielsen @ snm. ku. dk Universidade Federal do Estado do Rio de Janeiro, Departamento de Ecologia e Recursos Marinhos, Av. Pasteur, 458, sala 410, Urca, 22290 - 240, Rio de Janeiro, RJ, Brazil. E-mail: pauloascosta @ uol. com. br Author Nielsen, Jørgen G. Author Costa, Paulo A. S. Author Rv, Rv text Zootaxa 2008 2008-05-16 1770 1 41 64 https://biotaxa.org/Zootaxa/article/view/zootaxa.1770.1.2 journal article 10.11646/zootaxa.1770.1.2 1175­5334 5123954 0F66DF83-9427-4D01-A0A8-6CC4B2A81F32 Echiodon Thompson 1837 Type species. Echiodon drummondi Thompson 1837 , by monotypy. Diagnosis. Carapid lacking pelvic fins, rockerbone and cardiform teeth; with a ventral patch of tunic ridges on the posterior part of the swimbladder, numerous small distal radials supporting pectoral rays and one to several large, symphyseal fangs on the dentary and premaxillary.