Zootaxa 4689 (1): 001–141 ISSN 1175-5326 (print edition) https://www.mapress.com/j/zt/ Monograph ZOOTAXA Copyright © 2019 Magnolia Press ISSN 1175-5334 (online edition) https://doi.org/10.11646/zootaxa.4689.1.1 http://zoobank.org/urn:lsid:zoobank.org:act:4C926BE2-D75D-449A-9EAD-14CADACFFADD ZOOTAXA 4689 On a collection of hydroids (Cnidaria, Hydrozoa) from the southwest coast of Florida, USA DALE R. CALDER1, 2 1Department of Natural History, Royal Ontario Museum, 100 Queen’s Park, Toronto, Ontario, Canada M5S 2C6 E-mail: [email protected] 2Research Associate, Royal British Columbia Museum, 675 Belleville Street, Victoria, British Columbia, Canada V8W 9W2. Magnolia Press Auckland, New Zealand Accepted by B. Bentlage: 9 Sept.. 2019; published: 25 Oct. 2019 Licensed under a Creative Commons Attribution License http://creativecommons.org/licenses/by/3.0 DALE R. CALDER On a collection of hydroids (Cnidaria, Hydrozoa) from the southwest coast of Florida, USA (Zootaxa 4689) 141 pp.; 30 cm. 25 Oct. 2019 ISBN 978-1-77670-799-7 (paperback) ISBN 978-1-77670-800-0 (Online edition) FIRST PUBLISHED IN 2019 BY Magnolia Press P.O. Box 41-383 Auckland 1346 New Zealand e-mail: [email protected] https://www.mapress.com/j/zt © 2019 Magnolia Press ISSN 1175-5326 (Print edition) ISSN 1175-5334 (Online edition) 2 · Zootaxa 4689 (1) © 2019 Magnolia Press CALDER Table of Contents Abstract. 5 Introduction. 5 Materials and methods . 6 Systematic Account. 7 Phylum Cnidaria Verrill, 1865 . 7 Subphylum Medusozoa Petersen, 1979 . 7 Class Hydrozoa Owen, 1843. 7 Subclass Hydroidolina Collins, 2000. 7 Order Anthoathecata Cornelius, 1992. 7 Suborder Capitata Kühn, 1913. 7 Family Pennariidae McCrady, 1859. 7 Genus Pennaria Goldfuss, 1820. 7 Pennaria disticha Goldfuss, 1820. 7 Suborder Filifera Kühn, 1913. 11 Family Oceaniidae Eschscholtz, 1829 . 11 Genus Corydendrium Van Beneden, 1844a. 11 Corydendrium parasiticum (Linnaeus, 1767). 11 Genus Rhizogeton L. Agassiz, 1862. 11 Rhizogeton sterreri (Calder, 1988). 11 Genus Turritopsis McCrady, 1857. 12 Turritopsis nutricula McCrady, 1857 . 12 Family Cordylophoridae von Lendenfeld, 1885. 16 Genus Cordylophora Allman, 1843. 16 Cordylophora caspia (Pallas, 1771). 16 Family Bougainvilliidae Lütken, 1850. 16 Genus Bimeria Wright, 1859. 16 Bimeria humilis Allman, 1877. 16 Genus Bougainvillia Lesson, 1830. 17 Bougainvillia rugosa Clarke, 1882 . 18 Genus Calyptospadix Clarke, 1882 . 22 Calyptospadix cerulea Clarke, 1882 . 22 Family Pandeidae Haeckel, 1879. 23 Genus Amphinema Haeckel, 1879. 23 Amphinema sp.. 23 Family Eudendriidae L. Agassiz, 1862. 24 Genus Eudendrium Ehrenberg, 1834. 24 Eudendrium carneum Clarke, 1882 . 24 Order Leptothecata Cornelius, 1992. 26 Suborder Lafoeida Bouillon, 1984. 26 Family Lafoeidae A. Agassiz, 1865 . 26 Genus Acryptolaria Norman, 1875. 26 Acryptolaria longitheca (Allman, 1877). 26 Acryptolaria tortugasensis Leloup, 1935a. 29 Genus Lafoea Lamouroux, 1821 . 29 Lafoea coalescens Allman, 1877. 29 Family Syntheciidae Marktanner-Turneretscher, 1890. 30 Genus Synthecium Allman, 1872. 30 Synthecium tubithecum (Allman, 1877). 30 Family Zygophylacidae Quelch, 1885. 31 Genus Zygophylax Quelch, 1885. 31 Zygophylax convallaria (Allman, 1877). 31 Family Hebellidae Fraser, 1912b. 32 Genus Hebella Allman, 1888. 33 Hebella venusta (Allman, 1877) . 33 Suborder Laodiceida Maronna, Miranda, Peña Cantero, Barbeitos & Marques, 2016 . 34 Family Tiarannidae Russell, 1940. 34 Genus Modeeria Forbes, 1848. 34 Modeeria rotunda (Quoy & Gaimard, 1827). 34 Suborder Statocysta Leclère, Schuchert, Cruaud, Couloux & Manuel, 2009. 35 Infraorder Campanulinida Bouillon, 1984. 35 Family Campanulinidae Hincks, 1868 [1869]. 35 Genus Eutima McCrady, 1859. 35 HYDROIDS OF SW FLORIDA, USA Zootaxa 4689 (1) © 2019 Magnolia Press · 3 ? Eutima sp.. 35 Family Incertae Sedis. 35 Genus and species indeterminate. 35 Family Lovenellidae Russell, 1953. 36 Genus Lovenella Hincks, 1868 [1869]. 36 Lovenella gracilis Clarke, 1882. 36 Lovenella grandis Nutting, 1901. 40 Infraorder Proboscoida Broch, 1909 [1910]. 41 Family Campanulariidae Johnston, 1837. 41 Genus Campanularia Lamarck, 1816 . 41 Campanularia colombiana (Wedler, 1976). 41 Family Clytiidae Cockerell, 1911. 43 Genus Clytia Lamouroux, 1812. 43 Clytia elsaeoswaldae Stechow, 1914. 43 Clytia cf. hemisphaerica (Linnaeus, 1767) . ..