Bray Rodney A. author text journal article 2004 The bathymetric range of 149 digenean species recorded deeper than 200 m, the approximate depth of the continental shelf/slope break, are presented in graphical form. It is found that only representatives of the four families Lepocreadiidae, Fellodistomidae, Derogenidae and Hemiuridae reach to abyssal regions (>4,000 m). Three other families, the Lecithasteridae, Zoogonidae and Opecoelidae, have truly deep-water forms reaching deeper than 3,000 m. Bathymetric data are available for the Acanthocolpidae, Accacoeliidae, Bucephalidae, Cryptogonimidae, Faustulidae, Gorgoderidae, Monorchiidae and Sanguinicolidae showing that they reach deeper than 200 m. No bathymetric data are available for the members of the Bivesiculidae and Hirudinellidae which are reported from deep-sea hosts. These results indicate that only seventeen out of the 150 or so digenean families are reported in the deep sea. deep sea bathymetry Digenea Lepocreadiidae Fellodistomidae Derogenidae Hemiuridae Acanthocolpidae Accacoeliidae Bucephalidae Cryptogonimidae Faustulidae Gorgoderidae Monorchiidae and Sanguini 10.14411/fp.2004.032 https://folia.paru.cas.cz/artkey/fol-200402-0019.php https://folia.paru.cas.cz/artkey/fol-200402-0019.php continuing 51 2 268 274 2004 00155683 periodical academic journal