Zootaxa 4185 (1): 001–274 ISSN 1175-5326 (print edition) http://www.mapress.com/j/zt/ Monograph ZOOTAXA Copyright © 2016 Magnolia Press ISSN 1175-5334 (online edition) http://doi.org/10.11646/zootaxa.4185.1.1 http://zoobank.org/urn:lsid:zoobank.org:pub:0D054EDD-9CDC-4D16-A8B2-F1EBBDAD6E09 ZOOTAXA 4185 Guide to the Parasites of Fishes of Canada Part V: Nematoda HISAO P. ARAI3, 5 & JOHN W. SMITH4 3Pacific Biological Station, Nanaimo, British Columbia V9R 5K6 4Department of Biology, Wilfrid Laurier University, Waterloo, Ontario N2L 3C5. E-mail: [email protected] 5Deceased Magnolia Press Auckland, New Zealand Accepted by K. DAVIES (Initially edited by M.D.B. BURT & D.F. McALPINE): 5 Apr. 2016; published: 8 Nov. 2016 Licensed under a Creative Commons Attribution License http://creativecommons.org/licenses/by/3.0 HISAO P. ARAI & JOHN W. SMITH Guide to the Parasites of Fishes of Canada. Part V: Nematoda* (Zootaxa 4185) 274 pp.; 30 cm. 8 Nov. 2016 ISBN 978-1-77670-004-2 (paperback) ISBN 978-1-77670-005-9 (Online edition) FIRST PUBLISHED IN 2016 BY Magnolia Press P.O. Box 41-383 Auckland 1346 New Zealand e-mail: [email protected] http://www.mapress.com/j/zt © 2016 Magnolia Press ISSN 1175-5326 (Print edition) ISSN 1175-5334 (Online edition) *Editors of the series: MICHAEL D. B. BURT & DONALD F. McALPINE 2 · Zootaxa 4185 (1) © 2016 Magnolia Press ARAI & SMITH Table of contents Dedications . 4 Preface . 5 Abstract . 5 Résumé . 5 Introduction . 6 Collection and Examination of Nematodes . 9 Geographical Distribution . 10 Glossary of Terms . 10 Keys and Descriptions. 15 Higher classification of the Phylum NEMATODA . 15 Phylum NEMATODA: diagnosis . 16 Keys to NEMATODA . 17 Keys to Classes of NEMATODA . 17 Keys to Orders of the Class ENOPLEA and Subclass DORYLAIMIA . 17 Keys to genera of larvae in the Family DIOCTOPHYMATIDAE . 18 Keys to Families of the Order TRICHINELLIDA . 21 Family CYSTOOPSIDAE . 21 Family CAPILLARIIDAE . 23 Family TRICHOSOMOIDIDAE . 33 Keys to higher taxonomic ranks of the Class CHROMADOREA . 34 Keys to Superfamilies of RHABDITIDA . 35 Superfamily ANGUILLICOLOIDEA. 36 Family ANGUILLICOLIDAE . 36 Keys to Families of the Superfamily DRACUNCULOIDEA. 37 Family DANICONEMATIDAE…………………… . 37 Family GUYANEMIDAE……………………………….. 39 Family PHILOMETRIDAE . 42 Superfamily GNATHOSTOMATOIDEA . 58 Family GNATHOSTOMATIDAE . 58 Superfamily OXYUROIDEA . 60 Superfamily CAMALLANOIDEA . 60 Family CAMALLANIDAE . 60 Superfamily THELAZIOIDEA . 66 Family RHABDOCHONIDAE . 66 Superfamily SPIRUROIDEA . 82 Superfamily HABRONEMATOIDEA . 83 Family CYSTIDICOLIDAE . 83 Family HEDRURIDAE. .114 Family TETRAMERIDAE . 114 Superfamily ACUARIOIDEA. 114 Family ACUARIIDAE . 115 Key to Superfamilies of the Infraorder ASCARIDOMORPHA . 119 Keys to Families of ASCARIDOIDEA. 119 Family ACANTHOCHEILIDAE . ..